CN112593070B - Bead steel wire drawing online heating furnace and heating method thereof - Google Patents
Bead steel wire drawing online heating furnace and heating method thereof Download PDFInfo
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- CN112593070B CN112593070B CN202011397598.4A CN202011397598A CN112593070B CN 112593070 B CN112593070 B CN 112593070B CN 202011397598 A CN202011397598 A CN 202011397598A CN 112593070 B CN112593070 B CN 112593070B
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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
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/56—Continuous furnaces for strip or wire
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C43/00—Devices for cleaning metal products combined with or specially adapted for use with machines or apparatus provided for in this subclass
- B21C43/02—Devices for cleaning metal products combined with or specially adapted for use with machines or apparatus provided for in this subclass combined with or specially adapted for use in connection with drawing or winding machines or apparatus
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C9/00—Cooling, heating or lubricating drawing material
-
- 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
- C21D9/52—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for wires; for strips ; for rods of unlimited length
- C21D9/54—Furnaces for treating strips or wire
- C21D9/56—Continuous furnaces for strip or wire
- C21D9/562—Details
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Crystallography & Structural Chemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Heat Treatment Of Strip Materials And Filament Materials (AREA)
Abstract
The invention relates to a bead wire drawing online heating furnace and a heating method thereof, wherein the heating method of the bead wire drawing online heating furnace is realized based on the bead wire drawing online heating furnace, and the bead wire drawing online heating furnace comprises a frame (4.1) and a furnace body arranged in the frame (4.1); the furnace body comprises a furnace bottom (4.2), a furnace side wall (4.3) and a furnace top (4.4) which are arranged from bottom to top in sequence; a plurality of ash cleaning mechanisms (4.6) are arranged at the bottom of the hearth (4.5); a heat exchange device (4.7) is arranged between the top (4.4) of the furnace top and the top of the frame (4.1) which are close to the inlet of the steel wire (100). The bead wire drawing online heating furnace and the heating method thereof have the advantages of no need of stopping the furnace for cleaning ash, low energy consumption, good heat preservation performance of the furnace body, long service life, full utilization of waste heat and low production energy consumption.
Description
Technical Field
The invention relates to an online heating furnace for drawing a tire bead steel wire and a heating method thereof, belonging to the technical field of tire bead steel wire production.
Background
The bead wire is a wire which is made of high-carbon steel and is plated with red copper or bronze on the surface, has high strength, good toughness, excellent fatigue performance and good linearity, has higher adhesive force with rubber, is mainly used for the edge of a tire as a framework material for reinforcement, is widely applied to tires of passenger cars, light trucks, heavy trucks, engineering machinery, airplanes and the like, and the intermediate heat treatment of the traditional bead wire usually uses a muffle furnace, but the wire treated by the muffle furnace has unstable quality and high energy consumption, and is gradually replaced by a gas furnace.
The existing gas furnace for intermediate heat treatment of the tire bead steel wire mainly has the following problems: the energy consumption is high, the lubricating layer on the surface layer of the steel wire irregularly drops on each part of a hearth after being heated, so that frequent shutdown and ash removal are needed, the production efficiency is influenced, and the service life of a furnace body of the heating furnace is influenced while a large amount of energy is consumed due to frequent temperature rise and temperature reduction of the heating furnace; the heat preservation performance of the furnace wall needs to be improved; the waste heat utilization efficiency of the tail gas of the heating furnace is not high.
Disclosure of Invention
The invention aims to overcome the defects and provide the bead wire drawing online heating furnace and the heating method thereof, wherein the bead wire drawing online heating furnace has the advantages of convenience in ash removal, no need of blowing out for ash removal, low blowing-out frequency, low energy consumption, good heat preservation performance of a furnace body, full utilization of waste heat and low production energy consumption.
The purpose of the invention is realized as follows:
a bead wire drawing online heating furnace and a heating method thereof are disclosed, the heating method of the bead wire drawing online heating furnace is realized based on the bead wire drawing online heating furnace, and the bead wire drawing online heating furnace comprises a frame and a furnace body arranged in the frame; the furnace body comprises a furnace bottom, a furnace side wall and a furnace top which are arranged from bottom to top in sequence; the furnace bottom is sequentially provided with a liner, a high-alumina brick, a clay brick and a backing plate from inside to outside; the furnace side wall is sequentially provided with corundum bricks, high-alumina bricks, fiber blankets, nano heat insulation plates, fiber blankets and backing plates from inside to outside, the furnace side wall is provided with burners, and the burners comprise preheating section burners, heating section burners and soaking section burners which are sequentially arranged from steel wire inlets to steel wire outlets; the furnace top is of an arch structure formed by stacking a plurality of mullite bricks with wide upper parts and narrow lower parts, and two ends of the furnace top are erected on the side wall of the furnace; the furnace hearth is formed by the inner space enclosed by the furnace bottom, the side walls of the two sides of the furnace and the furnace top; a plurality of ash removing mechanisms are arranged at the bottom of the hearth; the ash removal mechanism comprises an ash removal groove transversely arranged on the bottom surface of the hearth, a T-shaped brick inverted in the ash removal groove and an ash removal hole arranged on the side wall of the furnace and corresponding to the ash removal groove; the top surface of the T-shaped brick is in sliding contact with the steel wire; a heat exchange device is arranged between the furnace top close to the steel wire inlet and the top of the frame; the heat exchange device comprises three groups of heat exchangers connected in series from left to right; the left end of the heat exchange device is communicated with the hearth, the right end of the heat exchange device is communicated with the smoke outlet, the air inlet ends of the three groups of heat exchangers are connected with an air inlet pipeline, the air outlet end of the left heat exchanger is connected with a heating section burner, the air outlet end of the middle heat exchanger is connected with a soaking section burner, and the air outlet end of the right heat exchanger is connected with a preheating section burner;
according to the bead wire drawing online heating furnace, the furnace top height close to the steel wire inlet is lower than the furnace top heights of other positions;
the invention relates to an online heating furnace for drawing a bead wire, wherein a heat exchanger on the right side of a heat exchange device is a tube type heat exchanger or a spiral plate type heat exchanger;
the heating method of the bead wire drawing online heating furnace comprises the following steps:
step one, preparing a heating furnace: the method comprises the steps of penetrating a traction steel wire into a heating furnace in advance, starting a soaking section burner to heat for 20 minutes, then starting a heating section burner to heat for 10 minutes, and then starting a preheating section burner;
step two, heating the steel wire in a furnace: after the temperature of each area of the heating furnace reaches the process set temperature, connecting the steel wire after rough drawing with a traction steel wire, and heating the steel wire in the heating furnace at a stable traction speed; heating and preserving heat of the steel wire through a preheating section, a heating section and a soaking section, and then discharging and cooling the steel wire;
step three, automatic ash removal: in the heating process, the lubricating layer on the surface of the steel wire is gradually peeled off from the steel wire and attached to the surface of the steel wire, and when the steel wire passes through the ash removal mechanism, the T-shaped brick scrapes the lubricating layer from the surface of the steel wire to the ash removal groove to form furnace ash due to the friction effect of the steel wire and the corners and the top surface of the top of the T-shaped brick;
step four, ash removal: when a certain amount of furnace ash is accumulated in the ash removing groove, the furnace ash in the ash removing groove can be conveniently removed from the furnace without stopping production by opening the ash removing hole;
step five, waste heat recovery: high-temperature flue gas of the heating furnace rises from a steel wire inlet to enter a heat exchange device arranged above the furnace top, is discharged after being subjected to full heat exchange by three groups of heat exchangers, and combustion-supporting air is subjected to heat exchange and temperature rise and then respectively enters a preheating section, a heating section and a soaking section to be burnt by burners, so that the waste heat of the high-temperature flue gas is fully utilized; the furnace top, the furnace bottom and the side wall of the furnace body are of a multi-layer heat insulation structure, the heat insulation performance is good, and the energy consumption is saved.
Compared with the prior art, the invention has the beneficial effects that:
according to the invention, through improving the structure of the furnace wall heat-insulating layer, arranging a plurality of groups of heat exchange devices and arranging the automatic ash removal device, the energy storage and heat insulation capacity of the furnace body is improved, the waste heat utilization efficiency is higher, the start-stop frequency of the heating furnace is greatly reduced, the service life of the heating furnace is prolonged, the production energy consumption is greatly saved, and the production efficiency is improved.
Drawings
FIG. 1 is a schematic cross-sectional view of an in-line heating furnace for drawing a bead wire according to the present invention.
FIG. 2 is a schematic view of the structure of the sidewall of the bead wire drawing in-line heating furnace according to the present invention.
FIG. 3 is a schematic structural view of an ash removal mechanism of the bead wire drawing online heating furnace of the present invention.
FIG. 4 is a schematic structural view of a heat exchange device of the bead wire drawing online heating furnace of the present invention.
Wherein:
a steel wire 100;
4.1 of frame, 4.2 of furnace bottom, 4.3 of furnace sidewall, 4.4 of furnace roof, 4.5 of burner hearth, 4.6 of ash cleaning mechanism, 4.7 of heat exchange unit, 4.8 of burner;
4.2.1 of a gasket, 4.2.2 of a high-alumina brick, 4.2.3 of a clay brick, 4.2.4 of a backing plate, 4.3.1 of a corundum brick, 4.3.2 of a fiber blanket, 4.3.3 of a nanometer heat insulation plate, 4.6.1 of a dust cleaning groove, 4.6.2 of a T-shaped brick, 4.6.3 of a dust cleaning hole and 4.7.1 of a heat exchanger.
Detailed Description
Referring to fig. 1-4, the invention relates to a bead wire drawing online heating furnace and a heating method thereof, wherein the heating method of the bead wire drawing online heating furnace is realized based on the bead wire drawing online heating furnace, and the bead wire drawing online heating furnace comprises a frame 4.1 and a furnace body arranged in the frame 4.1; the furnace body comprises a furnace bottom 4.2, a furnace side wall 4.3 and a furnace top 4.4 which are arranged from bottom to top in sequence; the furnace bottom 4.2 is sequentially provided with a liner 4.2.1, a high-alumina brick 4.2.2, a clay brick 4.2.3 and a backing plate 4.2.4 from inside to outside; the furnace side wall 4.3 is sequentially provided with corundum bricks 4.3.1, high-alumina bricks 4.2.2, fiber blankets 4.3.2, nano heat insulation plates 4.3.3, fiber blankets 4.3.2 and backing plates 4.2.4 from inside to outside, the furnace side wall 4.3 is provided with a burner 4.8, and the burner 4.8 comprises a soaking section burner, a heating section burner and a backing section burner which are sequentially arranged from a steel wire inlet to an outlet; the furnace top 4.4 is of an arch structure formed by a plurality of mullite bricks 4.4.1 with wide upper parts and narrow lower parts, and two ends of the furnace top 4.4 are erected on the side wall 4.3 of the furnace; the inner space enclosed by the furnace bottom 4.2, the side walls 4.3 of the two sides and the furnace top 4.4 forms a hearth 4.5; a plurality of ash cleaning mechanisms 4.6 are arranged at the bottom of the hearth 4.5; the ash removal mechanism 4.6 comprises an ash removal groove 4.6.1 transversely arranged on the bottom surface of the hearth, a T-shaped brick 4.6.2 inversely arranged in the ash removal groove 4.6.1, and an ash removal hole 4.6.3 arranged on the side wall 4.3 of the furnace and corresponding to the ash removal groove 4.6.1; the top surface of the T-shaped brick 4.6.2 is in sliding contact with the steel wire 100; a heat exchange device 4.7 is arranged between the top 4.4 of the furnace top close to the furnace inlet of the steel wire 100 and the top of the frame 4.1; the heat exchange device 4.7 comprises three groups of heat exchangers 4.7.1 connected in series from left to right; the left end of the heat exchange device 4.7 is communicated with the hearth 4.5, the right end of the heat exchange device is communicated with the smoke outlet, the air inlet ends of the three groups of heat exchangers 4.7.1 are connected with an air inlet pipeline, the air outlet end of the left heat exchanger 4.7.1 is connected with a heating section burner, the air outlet end of the middle heat exchanger 4.7.1 is connected with a soaking section burner, and the air outlet end of the right heat exchanger 4.7.1 is connected with a preheating section burner;
further, the height of the furnace top (4.4) close to the furnace inlet of the steel wire (100) is lower than that of the furnace tops (4.4) at other positions;
further, the right heat exchanger 4.7.1 of the heat exchange device 4.7 is a tube type heat exchanger or a spiral plate type heat exchanger;
the heating method of the bead wire drawing online heating furnace comprises the following steps:
step one, preparing a heating furnace: the method comprises the steps of penetrating a traction steel wire into a heating furnace in advance, starting a soaking section burner to heat for 20 minutes, then starting a heating section burner to heat for 10 minutes, and then starting a preheating section burner;
step two, heating the steel wire in a furnace: after the temperature of each area of the heating furnace reaches the process set temperature, connecting the steel wire 100 after rough drawing with a traction steel wire, and heating the steel wire in the heating furnace at a stable traction speed; heating and preserving heat of the steel wire through a preheating section, a heating section and a soaking section, and then discharging and cooling the steel wire;
step three, automatic ash removal: in the heating process, the lubricating layer on the surface of the steel wire 100 is gradually peeled off from the steel wire and attached to the surface of the steel wire 100, and when the steel wire passes through the ash removal mechanism 4.6, the lubricating layer is scraped from the surface of the steel wire to the ash removal groove 4.6.1 by the T-shaped brick 4.6.2 to form furnace ash due to the friction effect of corners and top surfaces of the top of the steel wire 100 and the T-shaped brick 4.6.2;
step four, ash removal: when a certain amount of furnace ash is accumulated in the ash removal groove 4.6.1, the furnace ash in the ash removal groove 4.6.1 can be conveniently cleaned and discharged out of the furnace without stopping production by opening the ash removal hole 4.6.3;
step five, waste heat recovery: high-temperature flue gas of the heating furnace rises from a steel wire inlet to enter a heat exchange device 4.7 arranged above a furnace top 4.4, is discharged after being subjected to full heat exchange by three groups of heat exchangers 4.7.1, and combustion-supporting air is subjected to heat exchange and temperature rise and then respectively enters a preheating section, a heating section and a soaking section to participate in combustion, so that the waste heat of the high-temperature flue gas is fully utilized; the furnace top, the furnace bottom and the side wall of the furnace body are of a multi-layer heat insulation structure, the heat insulation performance is good, and the energy consumption is saved.
In addition: it should be noted that the above-mentioned embodiment is only a preferred embodiment of the present patent, and any modification or improvement made by those skilled in the art based on the above-mentioned conception is within the protection scope of the present patent.
Claims (4)
1. The utility model provides an online heating furnace is drawn to tire bead steel wire which characterized in that: the bead wire drawing online heating furnace comprises a frame (4.1) and a furnace body arranged in the frame (4.1); the furnace body comprises a furnace bottom (4.2), a furnace side wall (4.3) and a furnace top (4.4) which are arranged from bottom to top in sequence; the furnace bottom (4.2) is sequentially provided with a liner (4.2.1), a high-alumina brick (4.2.2), a clay brick (4.2.3) and a backing plate (4.2.4) from inside to outside; the furnace side wall (4.3) is sequentially provided with corundum bricks (4.3.1), high-alumina bricks (4.2.2), fiber blankets (4.3.2), nano heat insulation plates (4.3.3), fiber blankets (4.3.2) and backing plates (4.2.4) from inside to outside, the furnace side wall (4.3) is provided with a burner (4.8), and the burner (4.8) comprises a preheating section burner, a heating section burner and a soaking section burner which are sequentially arranged from a steel wire inlet to an outlet; the furnace top (4.4) is of an arch structure formed by a plurality of mullite bricks (4.4.1) with wide upper parts and narrow lower parts, and two ends of the furnace top (4.4) are erected on the side wall (4.3) of the furnace; the inner space enclosed by the furnace bottom (4.2), the side walls (4.3) of the two sides of the furnace and the furnace top (4.4) forms a hearth (4.5); a plurality of ash cleaning mechanisms (4.6) are arranged at the bottom of the hearth (4.5); the ash removal mechanism (4.6) comprises an ash removal groove (4.6.1) transversely arranged on the bottom surface of the hearth, a T-shaped brick (4.6.2) inverted in the ash removal groove (4.6.1), and an ash removal hole (4.6.3) formed in the furnace side wall (4.3) at a position corresponding to the ash removal groove (4.6.1); the top surface of the T-shaped brick (4.6.2) is in sliding contact with the steel wire (100); a heat exchange device (4.7) is arranged between the top (4.4) of the furnace top close to the inlet of the steel wire (100) and the top of the frame (4.1); the heat exchange device (4.7) comprises three groups of heat exchangers (4.7.1) which are connected in series from left to right; the left end of the heat exchange device (4.7) is communicated with the hearth (4.5), the right end of the heat exchange device is communicated with the smoke outlet, the air inlet ends of the three groups of heat exchangers (4.7.1) are connected with an air inlet pipeline, the air outlet end of the left heat exchanger (4.7.1) is connected with the heating section burner, the air outlet end of the middle heat exchanger (4.7.1) is connected with the soaking section burner, and the air outlet end of the right heat exchanger (4.7.1) is connected with the preheating section burner.
2. The bead wire drawing inline heating furnace according to claim 1, characterized in that: the height of the furnace top (4.4) close to the furnace inlet of the steel wire (100) is lower than that of the furnace tops (4.4) at other positions.
3. The bead wire drawing inline heating furnace according to claim 1, characterized in that: the right heat exchanger (4.7.1) of the heat exchange device (4.7) is a shell and tube heat exchanger or a spiral plate heat exchanger.
4. A heating method of an online heating furnace for drawing a tire bead steel wire is characterized by comprising the following steps: the heating method of the bead wire drawing online heating furnace is realized based on the bead wire drawing online heating furnace of claim 1, and the method comprises the following steps:
step one, preparing a heating furnace: the method comprises the steps of penetrating a traction steel wire into a heating furnace in advance, starting a soaking section burner to heat for 20 minutes, then starting a heating section burner to heat for 10 minutes, and then starting a preheating section burner;
step two, heating the steel wire in a furnace: after the temperature of each area of the heating furnace reaches the process set temperature, connecting the steel wire (100) after rough drawing with a traction steel wire, and feeding the steel wire into the heating furnace for heating at a stable traction speed; heating and preserving heat of the steel wire through a preheating section, a heating section and a soaking section, and then discharging and cooling the steel wire;
step three, automatic ash removal: in the heating process, the lubricating layer on the surface of the steel wire (100) is gradually peeled off from the steel wire and attached to the surface of the steel wire (100), and when the steel wire passes through the ash removal mechanism (4.6), the lubricating layer is scraped from the surface of the steel wire to the ash removal groove (4.6.1) by the T-shaped brick (4.6.2) to form furnace ash due to the friction effect of the corners and the top surfaces of the top of the steel wire (100) and the top of the T-shaped brick (4.6.2);
step four, ash removal: when a certain amount of furnace ash is accumulated in the ash cleaning groove (4.6.1), the furnace ash in the ash cleaning groove (4.6.1) can be conveniently cleaned and discharged out of the furnace without stopping production by opening the ash cleaning hole (4.6.3);
step five, waste heat recovery: high-temperature flue gas of the heating furnace rises from a steel wire inlet to enter a heat exchange device (4.7) arranged above a furnace top (4.4), is discharged after being subjected to full heat exchange through three groups of heat exchangers (4.7.1), and combustion-supporting air is subjected to heat exchange and temperature rise and then respectively enters a preheating section, a heating section and a soaking section to participate in combustion, so that the waste heat of the high-temperature flue gas is fully utilized; the furnace top, the furnace bottom and the side wall of the furnace body are of a multi-layer heat insulation structure, the heat insulation performance is good, and the energy consumption is saved.
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| CN202011397598.4A CN112593070B (en) | 2020-12-04 | 2020-12-04 | Bead steel wire drawing online heating furnace and heating method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011397598.4A CN112593070B (en) | 2020-12-04 | 2020-12-04 | Bead steel wire drawing online heating furnace and heating method thereof |
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| CN112593070B true CN112593070B (en) | 2022-04-19 |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH038880A (en) * | 1989-06-06 | 1991-01-16 | Bridgestone Bekaruto Steel Koode Kk | Bead wire having electroplated bronze layer and production thereof |
| CN101812582A (en) * | 2010-03-23 | 2010-08-25 | 无锡市鑫润工业炉有限公司 | Steel wire heat processing naked-flame furnace |
| CN102560074A (en) * | 2012-02-21 | 2012-07-11 | 张家港市东航机械有限公司 | Electric heating furnace for continuously tempering steel wire |
| CN102586574A (en) * | 2012-02-21 | 2012-07-18 | 张家港市东航机械有限公司 | Slag guide device for steel-wire continuous tampering electric heating furnace |
| CN102828017A (en) * | 2012-09-14 | 2012-12-19 | 南京钢铁股份有限公司 | Heating process of wire rod for tyre bead steel wire |
| CN102944107A (en) * | 2012-12-03 | 2013-02-27 | 张家港市胜达钢绳有限公司 | Online drying device and online drying method for bead wire |
| KR20130049552A (en) * | 2011-11-04 | 2013-05-14 | 한국타이어 주식회사 | Bead wire and production method of the same |
| CN110160068A (en) * | 2019-06-28 | 2019-08-23 | 马鞍山蓝信环保科技有限公司 | The regenerative combustion system of online ash removal |
-
2020
- 2020-12-04 CN CN202011397598.4A patent/CN112593070B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH038880A (en) * | 1989-06-06 | 1991-01-16 | Bridgestone Bekaruto Steel Koode Kk | Bead wire having electroplated bronze layer and production thereof |
| CN101812582A (en) * | 2010-03-23 | 2010-08-25 | 无锡市鑫润工业炉有限公司 | Steel wire heat processing naked-flame furnace |
| KR20130049552A (en) * | 2011-11-04 | 2013-05-14 | 한국타이어 주식회사 | Bead wire and production method of the same |
| CN102560074A (en) * | 2012-02-21 | 2012-07-11 | 张家港市东航机械有限公司 | Electric heating furnace for continuously tempering steel wire |
| CN102586574A (en) * | 2012-02-21 | 2012-07-18 | 张家港市东航机械有限公司 | Slag guide device for steel-wire continuous tampering electric heating furnace |
| CN102828017A (en) * | 2012-09-14 | 2012-12-19 | 南京钢铁股份有限公司 | Heating process of wire rod for tyre bead steel wire |
| CN102944107A (en) * | 2012-12-03 | 2013-02-27 | 张家港市胜达钢绳有限公司 | Online drying device and online drying method for bead wire |
| CN110160068A (en) * | 2019-06-28 | 2019-08-23 | 马鞍山蓝信环保科技有限公司 | The regenerative combustion system of online ash removal |
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| CN112593070A (en) | 2021-04-02 |
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