CN104513895A - Guided hot-air circulating device of annealed trolley resistance furnace - Google Patents
Guided hot-air circulating device of annealed trolley resistance furnace Download PDFInfo
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- CN104513895A CN104513895A CN201310448368.XA CN201310448368A CN104513895A CN 104513895 A CN104513895 A CN 104513895A CN 201310448368 A CN201310448368 A CN 201310448368A CN 104513895 A CN104513895 A CN 104513895A
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- resistance furnace
- furnace
- recirculation blower
- trolley resistance
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Abstract
The invention discloses a guided hot-air circulating device of an annealed trolley resistance furnace, wherein the device comprises a circulating fan support, a circulating fan, a fan shaft, a fairing, a wind guiding device, a section bar, a furnace roof and a furnace floor. The guided hot-air circulating device is characterized in that the wind guiding device extends into a furnace hearth; wind guiding plates are arranged below a trolley roof of the trolley resistance furnace and connected to both sides of the trolley resistance furnace; a circulating air-duct is formed by the wind guiding plates and the walls of the trolley resistance furnace in an encircling manner; cold air blew from the circulating fan flows through the two sides of the trolley resistance furnace via the circulating air-duct, and therefore, hot air enters the furnace hearth from the furnace floor and returns to the furnace roof; the hot air from the top of the furnace hearth is sucked by the wind guiding device of the circulating fan; the sucked hot air is cooled by the circulating fan and thrown to the air-duct for cyclic utilization; a sealing bushing sleeves the fan shaft to prevent outside air from flowing into the trolley resistance furnace and to avoid energy loss due to internal temperature. According to the invention, the wind guiding plates made from stainless steel are equipped with a wind guiding path for guiding wind. The guided hot-air circulating device is simple in structure and easy to install, and ensures that aluminium alloy cables are heated uniformly and wind energy is also saved.
Description
Technical field
The present invention relates to trolley resistance furnace manufacturing technology field, particularly relate to a kind of guide flow type heated air circulation device of trolley resistance furnace of annealing.
Background technology
Aluminium alloy power cable is for conductor with AA-8000 series aluminium alloy material, adopt the type material power cable of the modern technique innovation and creation such as special impacted process and anneal, alloy power cable compensate for the deficiency of fine aluminium cable in the past, improve the conductivity of cable, bending property, creep-resistant property and corrosion resistance nature etc., can ensure cable long term overloading and overheated time keep continuous stable performance, adopt AA-8000 series alloys conductor, greatly can improve the electric conductivity of aluminium alloy cable, high thermal resistance, solve the galvanic corrosion of fine aluminium conductor simultaneously, the problems such as creep.The electric conductivity of aluminium alloy is 61.5% of the most frequently used reference material copper IACS, current capacity is 79% of copper, be better than fine aluminium standard, but under the same volume, the actual weight of aluminium alloy is approximately 1/3rd of copper, according to this calculating, under the prerequisite meeting identical conduction performance, the length of identical weight aluminium alloy cable is the twice of copper cable, therefore, during identical current capacity, the weight of aluminium alloy cable is approximately the half of copper cable, aluminium alloy cable is adopted to replace copper cable, cable weight can be alleviated, reduce installation cost, the wearing and tearing of minimizing equipment and cable, make installation work lighter.
But the manufacturing technology of aluminum current alloy cable still lacks very much, and aluminium alloy conductor must from alloy smelting, the production process of rear step is produced will bother than copper conductor, otherwise the quality of aluminium alloy conductor just cannot ensure, to such an extent as to affect the electrical efficiency of aluminium alloy cable, especially when aluminium alloy cable annealing and timeliness, if heating temperatures is uneven, can by larger impact on the electrical efficiency of aluminium alloy cable.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the invention provides the guide flow type heated air circulation device of annealing trolley resistance furnace, heating temperatures ununiformity when solving aluminium alloy cable annealing and timeliness, reaches the effect of raising aluminium alloy cable electric conductivity.
The technical solution adopted in the present invention is: the guide flow type heated air circulation device of annealing trolley resistance furnace includes recirculation blower bearing, recirculation blower, fan shaft, nose cone, airstream deflector, section bar, furnace roof, furnace bottom, section bar is connected on furnace roof, recirculation blower is connected on the section bar of trolley resistance furnace by recirculation blower bearing, fan shaft connects recirculation blower and airstream deflector, fan shaft connects recirculation blower and airstream deflector through furnace roof, nose cone is connected between airstream deflector and fan shaft, recirculation blower drives fan shaft to rotate thus blowing cold air and importing hot blast, principle of the present invention is: stretched into by airstream deflector in burner hearth, below the roof of trolley resistance furnace and both sides are connected with the flow direction that air deflector guides wind, the face of air deflector and trolley resistance furnace surrounds circulating ventilation road, the both sides that the cold wind of recirculation blower blowout flows through trolley resistance furnace by circulating ventilation road enter furnace bottom, under the resistance heating element effect of furnace bottom, cold wind becomes hot blast, hot blast transfers heat to the aluminium alloy cable that treating processes is crossed in uphill process, thus realize the heating of aluminium alloy cable, hot blast enters burner hearth and returns furnace roof subsequently, the airstream deflector of recirculation blower sucks the hot blast of roof of the furnace, the hot blast that recirculation blower cooling sucks also throws away to wind guide channel circulating-heating or cooling aluminium alloy cable, fan shaft overcoat has sealing bush, sealing bush completely cuts off outside air and to flow in trolley resistance furnace and to prevent internal temperature power loss.
Further improvement of the present invention is: air deflector is formed by connecting by the stainless steel plate of polylith band four sideband crimp, thus forms wind-guiding screen.
Further improvement of the present invention is: recirculation blower is the air-cooled circulator of kilowatt high temperature, for trolley resistance furnace provides cold wind.
Further improvement of the present invention is: air deflector is provided with wind guide tank, the flow direction of the wind that guided circulation blower fan is produced by boasting.
Further improvement of the present invention is: the working order of recirculation blower is controlled by the power control system of trolley resistance furnace, realizes the automatic control of recirculation blower, easy to use.
Further improvement of the present invention is: the air suction inlet of recirculation blower goes out to be connected with strainer, the dust sucked in filtrated air or suspended substance.
Further improvement of the present invention is: heat-insulating lining material is aluminum silicate fiber, not only seals recirculation blower, and can completely cut off the loss of trolley resistance furnace internal heat.
Further improvement of the present invention is: in order to obtain good temperature homogeneity, and the quantity of recirculation blower is 6.
Compared with prior art, the invention has the beneficial effects as follows: add recirculation blower air ducting, the cold wind that recirculation blower is blown out can flow to burner hearth bottom resistance element position along the wind guide tank on the air deflector of chassis top and both sides, the structure of air deflector is simple, easy for installation, resistance element heated air, airflow after heating is through burner hearth, the heat of warm air is passed on the aluminium alloy cable in burner hearth, air rises to trolley resistance furnace top, the blower fan that is evenly then recycled of aluminium alloy cable sucks the recycle realizing wind, not only ensure that aluminium alloy cable heats uniformly, eliminate the unrelieved stress of aluminium alloy cable, stabilize size, reduce distortion to be inclined to crackle, also a saving wind energy.
The present invention adopts and stainless steel air deflector arranges wind guide tank carries out wind-guiding, and structure is simple, easy for installation, and ensure that aluminium alloy cable heats uniformly, eliminate the unrelieved stress of aluminium alloy cable, stabilize size, reduce distortion to be inclined to crackle, also a saving wind energy.
Accompanying drawing explanation
Fig. 1 is the guide flow type heated air circulation device structural representation of annealing trolley resistance furnace.
Embodiment
In order to deepen the understanding of the present invention, below in conjunction with drawings and Examples, the present invention is further described, and this embodiment, only for explaining the present invention, not forming protection scope of the present invention and limiting.
As shown in Figure 1, the guide flow type heated air circulation device of annealing trolley resistance furnace includes recirculation blower bearing 1, recirculation blower 2, fan shaft 3, nose cone 4, airstream deflector 5, section bar 7, furnace roof 8, furnace bottom 10, section bar 7 is connected on furnace roof 8, recirculation blower 2 is connected on the section bar 7 of trolley resistance furnace by recirculation blower bearing 1, fan shaft 3 connects recirculation blower 2 and airstream deflector 5, fan shaft 3 connects recirculation blower 2 and airstream deflector 5 through furnace roof 8, nose cone 4 is connected between airstream deflector 5 and fan shaft 3, recirculation blower 2 drives fan shaft 3 to rotate thus blowing cold air and importing hot blast, principle of the present invention is: stretch in burner hearth by airstream deflector 5, below the roof of trolley resistance furnace and both sides are connected with the flow direction that air deflector 6 guides wind, air deflector 6 surrounds circulating ventilation road 9 with the face of trolley resistance furnace, the both sides that the cold wind that recirculation blower 2 blows out flows through trolley resistance furnace by circulating ventilation road 9 enter furnace bottom 10, under the resistance heating element effect of furnace bottom, cold wind becomes hot blast, hot blast transfers heat to the aluminium alloy cable that treating processes is crossed in uphill process, thus realize the heating of aluminium alloy cable, hot blast enters burner hearth and returns furnace roof subsequently, the airstream deflector 5 of recirculation blower sucks the hot blast of roof of the furnace, recirculation blower 2 cools the hot blast of suction and throws away to wind guide channel 9 circulating-heating or cooling aluminium alloy cable, fan shaft 3 overcoat has sealing bush 15, described sealing bush 15 completely cuts off outside air and to flow in trolley resistance furnace and to prevent internal temperature power loss.
Its working process of guide flow type heated air circulation device of annealing trolley resistance furnace is: when needing in trolley resistance furnace to heat up, recirculation blower blowing cold air, cold wind flows through air deflector and enters burner hearth, the resistance heating element heating cold wind of resistance furnace becomes hot blast, hot blast heats aluminium alloy cable through burner hearth, finally enters recirculation blower recycle; When needing cooling in trolley resistance furnace, recirculation blower blowing cold air, flows through circulation air path and to enter in cold wind in burner hearth and burner hearth after cold wind mixing, be recycled blower fan airstream deflector and suck and recycle.
The present invention adopts and stainless steel air deflector arranges wind guide tank carries out wind-guiding, and structure is simple, easy for installation, and ensure that aluminium alloy cable heats uniformly, eliminate the unrelieved stress of aluminium alloy cable, stabilize size, reduce distortion to be inclined to crackle, also a saving wind energy.
What embodiments of the invention were announced is preferred embodiment, but is not limited thereto, those of ordinary skill in the art; very easily according to above-described embodiment, understand spirit of the present invention, and make different amplifications and change; but only otherwise depart from spirit of the present invention, all in protection scope of the present invention.
Claims (8)
1. the guide flow type heated air circulation device of annealing trolley resistance furnace, described device includes recirculation blower bearing (1), recirculation blower (2), fan shaft (3), nose cone (4), airstream deflector (5), section bar (7), furnace roof (8), furnace bottom (10), described section bar (7) is connected on furnace roof (8), described recirculation blower (2) is connected on the section bar (7) of trolley resistance furnace by recirculation blower bearing (1), described fan shaft connects recirculation blower (2) and airstream deflector (5), described fan shaft (3) connects recirculation blower (2) and airstream deflector (5) through furnace roof (8), described nose cone (4) is connected between airstream deflector (5) and fan shaft (3), described recirculation blower (2) drives fan shaft (3) to rotate thus blowing cold air and importing hot blast, it is characterized in that: described airstream deflector (5) stretches in burner hearth, below the roof of described trolley resistance furnace and both sides are connected with air deflector (6), described air deflector (6) surrounds circulating ventilation road (9) with the face of trolley resistance furnace, the cold wind that described recirculation blower (2) blows out flows through the both sides of trolley resistance furnace by circulating ventilation road (9), thus hot blast enters burner hearth from furnace bottom (10) and returns furnace roof, the airstream deflector (5) of described recirculation blower sucks the hot blast of roof of the furnace, the hot blast that described recirculation blower (2) cooling sucks also throws away to wind guide channel (9) recycle, described fan shaft (3) overcoat has sealing bush (15), the isolated outside air of described sealing bush (15) to flow in trolley resistance furnace and prevents internal temperature power loss.
2. the guide flow type heated air circulation device of annealing trolley resistance furnace according to claim 1, is characterized in that: described air deflector (6) is formed by connecting by the stainless steel plate of polylith band four sideband crimp.
3. the guide flow type heated air circulation device of annealing trolley resistance furnace according to claim 1, is characterized in that: described recirculation blower (2) is 11 kilowatts of air-cooled circulators of high temperature.
4. the guide flow type heated air circulation device of annealing trolley resistance furnace according to claim 1, is characterized in that: described air deflector (6) is provided with wind guide tank (11).
5. the guide flow type heated air circulation device of annealing trolley resistance furnace according to claim 1, is characterized in that: the working order of described recirculation blower (2) is controlled by the power control system of trolley resistance furnace.
6. the guide flow type heated air circulation device of annealing trolley resistance furnace according to claim 1, is characterized in that: the air suction inlet of recirculation blower (2) goes out to be connected with strainer (14).
7. the guide flow type heated air circulation device of annealing trolley resistance furnace according to claim 1, is characterized in that: described heat-insulating lining (15) material is aluminum silicate fiber.
8. the guide flow type heated air circulation device of annealing trolley resistance furnace according to claim 1, is characterized in that: the quantity of described recirculation blower (2) is 6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310448368.XA CN104513895A (en) | 2013-09-27 | 2013-09-27 | Guided hot-air circulating device of annealed trolley resistance furnace |
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| CN201310448368.XA CN104513895A (en) | 2013-09-27 | 2013-09-27 | Guided hot-air circulating device of annealed trolley resistance furnace |
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| CN104513895A true CN104513895A (en) | 2015-04-15 |
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| CN201310448368.XA Pending CN104513895A (en) | 2013-09-27 | 2013-09-27 | Guided hot-air circulating device of annealed trolley resistance furnace |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106521103A (en) * | 2016-11-30 | 2017-03-22 | 南京欧亚炉业有限责任公司 | Air homogenizing adjusting device for quenching and tempering furnace |
| CN107460300A (en) * | 2017-09-21 | 2017-12-12 | 江苏恒力炉业有限公司 | A kind of car-type wire rod Aging annealing furnance |
| CN107619910A (en) * | 2017-09-21 | 2018-01-23 | 江苏恒力炉业有限公司 | A kind of thermal cycle car type furnace |
| CN107815522A (en) * | 2017-10-25 | 2018-03-20 | 中航工程集成设备有限公司 | A kind of gas circulation flow guide system for heat-treatment furnace |
| CN108285969A (en) * | 2018-01-30 | 2018-07-17 | 重庆市天宇电线电缆制造有限公司 | A kind of copper wire circulating-heating annealing furnace |
| CN111647735A (en) * | 2020-06-18 | 2020-09-11 | 湖北丽阁铝业科技有限公司 | Annealing device is used in door and window aluminum alloy ex-trusions production with rapid cooling structure |
Citations (5)
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|---|---|---|---|---|
| JPH0518680A (en) * | 1991-07-08 | 1993-01-26 | Daido Steel Co Ltd | Direct firing type hot air circulating furnace |
| CN201574178U (en) * | 2009-12-08 | 2010-09-08 | 苏州工业园区姑苏科技有限公司 | Novel longitudinal heated air circulating device |
| CN202401118U (en) * | 2011-12-31 | 2012-08-29 | 海盐华辰工业炉有限公司 | Aluminum alloy heat-treatment furnace |
| CN202610263U (en) * | 2012-06-07 | 2012-12-19 | 机械工业第六设计研究院有限公司 | Gas heated air circulation annealing furnace |
| CN203569152U (en) * | 2013-09-27 | 2014-04-30 | 江苏恒力炉业有限公司 | Flow guide type hot air circulation device for annealing bogie-hearth resistance furnace |
-
2013
- 2013-09-27 CN CN201310448368.XA patent/CN104513895A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0518680A (en) * | 1991-07-08 | 1993-01-26 | Daido Steel Co Ltd | Direct firing type hot air circulating furnace |
| CN201574178U (en) * | 2009-12-08 | 2010-09-08 | 苏州工业园区姑苏科技有限公司 | Novel longitudinal heated air circulating device |
| CN202401118U (en) * | 2011-12-31 | 2012-08-29 | 海盐华辰工业炉有限公司 | Aluminum alloy heat-treatment furnace |
| CN202610263U (en) * | 2012-06-07 | 2012-12-19 | 机械工业第六设计研究院有限公司 | Gas heated air circulation annealing furnace |
| CN203569152U (en) * | 2013-09-27 | 2014-04-30 | 江苏恒力炉业有限公司 | Flow guide type hot air circulation device for annealing bogie-hearth resistance furnace |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106521103A (en) * | 2016-11-30 | 2017-03-22 | 南京欧亚炉业有限责任公司 | Air homogenizing adjusting device for quenching and tempering furnace |
| CN107460300A (en) * | 2017-09-21 | 2017-12-12 | 江苏恒力炉业有限公司 | A kind of car-type wire rod Aging annealing furnance |
| CN107619910A (en) * | 2017-09-21 | 2018-01-23 | 江苏恒力炉业有限公司 | A kind of thermal cycle car type furnace |
| CN107815522A (en) * | 2017-10-25 | 2018-03-20 | 中航工程集成设备有限公司 | A kind of gas circulation flow guide system for heat-treatment furnace |
| CN107815522B (en) * | 2017-10-25 | 2020-04-10 | 中航工程集成设备有限公司 | Gas circulation flow guide system for heat treatment furnace |
| CN108285969A (en) * | 2018-01-30 | 2018-07-17 | 重庆市天宇电线电缆制造有限公司 | A kind of copper wire circulating-heating annealing furnace |
| CN108285969B (en) * | 2018-01-30 | 2019-04-30 | 重庆市天宇电线电缆制造有限公司 | A kind of copper wire circulating-heating annealing furnace |
| CN111647735A (en) * | 2020-06-18 | 2020-09-11 | 湖北丽阁铝业科技有限公司 | Annealing device is used in door and window aluminum alloy ex-trusions production with rapid cooling structure |
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Application publication date: 20150415 |
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