CN104167261A - Varnished wire producing oven and temperature control method - Google Patents
Varnished wire producing oven and temperature control method Download PDFInfo
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- CN104167261A CN104167261A CN201410398140.9A CN201410398140A CN104167261A CN 104167261 A CN104167261 A CN 104167261A CN 201410398140 A CN201410398140 A CN 201410398140A CN 104167261 A CN104167261 A CN 104167261A
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Abstract
The invention relates to a varnished wire producing oven and a temperature control method. The oven comprises a hearth, an airflow circulation channel, a circulation draught fan, a heating device and temperature sensors. The two ends of the hearth are provided with a wire inlet and a wire outlet. A baking channel is formed between the wire inlet and the wire outlet. The two ends of the airflow circulation channel are communicated with the hearth. The circulation draught fan is arranged in the airflow circulation channel. The heating device is used for heating circulating air. The temperature sensors are used for testing the temperature in the oven. A burning catalyst chamber and a first heat exchanger are arranged in the airflow circulation channel sequentially in the circulating airflow direction. The first heat exchanger is used for adjusting the temperature of the circulating air which passes through the burning catalyst chamber. The air quantity of an air inlet of the first heat exchanger can be adjusted. The temperature sensors are installed at different positions of the oven so as to monitor the temperature in the oven. The air quantity of the air inlet of the first heat exchanger can be adjusted automatically according to the temperature detected by the temperature sensors. The varnished wire producing oven is easy to use and convenient to operate, and the temperature of the oven can be better controlled.
Description
Technical field
the present invention relates to a kind of baker and temperature-controlled process of producing enamelled wire.
Background technology
enamelled wire industry is a heavy high energy consumption industry of material, in enamelled wire paint bake process, the condensation curing of paint and the evaporation of solvent are carried out simultaneously, and the film-forming heating of paint can be used a large amount of electric energy, in addition, the distribution of oven drying temperature is very large to the relation of curing of enamelled wire.In the prior art, the control of oven drying temperature regulates by waste gas passing away, air inlet pipe, circulating fan conventionally, and the temperature of baker is difficult to control conventionally like this.In the prior art, variations in temperature after catalytic combustion, the high temperature gas flow producing adds suitable cold air to solve temperature equalization problem with blower fan, thereby but does like this blast, air quantity, wind speed in the baking oven that causes curing enamelled wire and change and cause enamelled wire quality unstable.In the prior art, after the high temperature gas flow that catalytic combustion produces, can also add suitable cold air to strengthen waste discharge tolerance with blower fan simultaneously and solve high temperature problem in baking oven, but when having increased cold air and having strengthened waste discharge tolerance, in stove, oxygen content increases, if the temperature after the excessive catalysis of quantity of solvent in roasting line process is more and more higher on the contrary, more than after catalysis, temperature even reaches 1000 degree sometimes.In the prior art, also strengthen after waste discharge tolerance by there being a large amount of cold airs to enter and cure among burner hearth from baker two ends fire door, when entering the cold air of burner hearth and reach a certain amount of, due to temperature imbalance in oven, baker electrothermal tube starts to start heating.
Summary of the invention
technical problem to be solved by this invention is to overcome the deficiencies in the prior art, the present invention also will provide a kind of baker of producing enamelled wire simultaneously, it comprises: burner hearth, circulating fan, heater, combustion catalysis chamber, described burner hearth two ends offer incoming line and line outlet, between described incoming line and line outlet, form baking channel; Described combustion catalysis chamber has inlet end and outlet side, the inlet end of described combustion catalysis chamber and outlet side are connected with described burner hearth respectively, described baker also comprise one be arranged between the outlet side of described combustion catalysis chamber and burner hearth for regulating reuse to the first heat exchanger of the temperature of the reuse air-flow of burner hearth.
preferably, described baker also comprises the temperature sensor being arranged between described combustion catalysis chamber and described the first heat exchanger, and the first described heat exchanger comprises an air inlet, be arranged at the throttle setting for the temperature regulating air volume that records according to described temperature sensor at described air inlet place.
preferably, motor, the drive lead screw by a shaft coupling with the transmission of described motor phase that described throttle setting comprises air door, drives described air door to move relative to air inlet, described air door is connected with described drive lead screw.
preferably, described baker also comprises and is arranged at the second heat exchanger between described burner hearth and the inlet end of described combustion catalysis chamber, described heater comprises the interior electrothermal tube of a plurality of burner hearths that are arranged in described burner hearth and is arranged at described combustion catalysis chamber inlet end catalysis electrothermal tube before, described baker also comprises that one for passing through the waste gas passing away of the portion gas discharge of combustion catalysis chamber, described waste gas passing away is through the second heat exchanger, so that the second described heat exchanger reclaims the temperature of the front recyclegas of heat heatable catalytic of waste gas.
preferably, be also provided with an air inlet pipe in airflow circulating passage, described air inlet pipe is arranged on described catalysis with between electrothermal tube and combustion catalysis chamber.
the present invention also provides a kind of temperature-controlled process of baker of production enamelled wire as above, comprises the following steps:
(1) enamelled wire is carried out to high-temperature baking, make the paint liquid evaporation of enamelled wire produce solvent vapo(u)r;
(2) solvent vapo(u)r is carried out to catalytic combustion, after elimination solvent wherein, form high temperature gas flow;
(3) high temperature gas flow of a part enters burner hearth as reuse air-flow after the first heat exchanger temperature reduces, and the high temperature gas flow of another part is discharged baker,
circulation step (1), (2), (3) successively.
preferably, a part of high temperature gas flow in step (3) enters burner hearth as reuse air-flow after the first heat exchanger temperature reduces, the high temperature gas flow of another part is discharged baker through the second heat exchanger, so that the second described heat exchanger reclaims the temperature of the front recyclegas of heat heatable catalytic of waste gas.
preferably, in step (3), according to the temperature recording in baker, the throttle setting regulating air volume of the air inlet of the first heat exchanger.
employing due to above technical scheme, the present invention compared with prior art tool has the following advantages: owing to being provided with the first heat exchanger behind combustion catalysis chamber, by regulating the air quantity of the air inlet of the first heat exchanger that the temperature of the high temperature gas flow after catalytic reaction is reduced in certain limit.The diverse location of baker is provided with temperature sensor with the temperature in monitoring baker, and the air quantity of the first heat exchanger air inlet records temperature according to temperature sensor and automatically regulates, and uses simply, easy to operate, better controls the temperature of baker.The present invention has effectively solved and when adjusting after catalysis temperature, has not affected blast in enameled wire baking stove, air quantity, wind speed and change, thereby reach the object that improves enamelled wire product quality.Use of the present invention will no longer include superhigh temperature phenomenon and occur, thus the useful life of having improved equipment.The present invention just can reach eliminating high-temperature residual heat without strengthening waste discharge tolerance, reaches stable furnace temperature, reduce power consumption order.In Production of Enamel Wires process, linear velocity is higher, and the combustible quantity of solvent of bringing in baker is larger, and combustible solvent is also higher through the temperature producing after catalytic combustion.Therefore enamelled wire output size is subject to the restriction of temperature after catalysis.Apparatus of the present invention can effectively be controlled temperature after catalysis after coming into operation, so more than production efficiency improves 20 ﹪.
Accompanying drawing explanation
below in conjunction with drawings and Examples, the invention will be further described:
fig. 1 is the structural representation of the baker of production enamelled wire of the present invention,
1, baker; 2, burner hearth; 3, the first heat exchanger; 4, the second heat exchanger; 5, combustion catalysis chamber; 6, circulating fan; 81, catalysis electrothermal tube; 82, electrothermal tube in burner hearth; 21, incoming line; 22, line outlet; 31, motor; 32, shaft coupling; 33, drive lead screw; 34 air doors.
Embodiment
below in conjunction with specific embodiment, the present invention is described in further details.Should be understood that these embodiment are for basic principle of the present invention, principal character and advantage are described, and the present invention is not limited by the scope of following examples.The implementation condition adopting in embodiment can be done further adjustment according to specific requirement, and not marked implementation condition is generally the condition in normal experiment.
be illustrated in figure 1 a kind of baker 1 of producing enamelled wire, baker 1 comprises the airflow circulating passage that burner hearth 2, two ends are connected with described burner hearth 2, being disposed with the second heat exchanger 4 in airflow circulating passage by circulating current direction, for catalysis, electrothermal tube 81, combustion catalysis chamber 5, the first heat exchanger 3, circulating fan 6, the high temperature gas flow behind combustion catalysis chamber 5 are discharged outside baker 1 by waste gas passing away, waste gas passing away carries out heat exchange through the second heat exchanger 4, the second heat exchangers 4 by circulating current and high temperature gas flow.
baking and banking up with earth in process of enamelled wire, first open heater and circulating fan 6 by baker 1 preheating, the heater in the present invention comprises the electrothermal tube 82 in electrothermal tube 81 and burner hearth for catalysis being arranged on before combustion catalysis chamber.Enamelled wire enters burner hearth 2 after japanning, and burner hearth 2 ends offer incoming line 21 and line outlet 22, between incoming line 21 and line outlet 22, form baking channel, and this enamelled wire is carried out to high-temperature baking, makes the paint liquid evaporation of enamelled wire produce solvent vapo(u)r.Solvent vapo(u)r is heated to catalytic temperature through catalysis during with electrothermal tube 81, and general catalytic temperature is 420 ℃ ~ 460 ℃, and catalysis is with being provided with an air inlet pipe that fresh air is provided between electrothermal tube 81 and combustion catalysis chamber 5.Solvent vapo(u)r and fresh air enter combustion catalysis chamber 5 and carry out catalytic combustion, after elimination solvent wherein, form high temperature gas flow, and the temperature of the high temperature gas flow after catalytic combustion is conventionally at 720 ℃ ~ 800 ℃.High temperature gas flow part temperature after the first heat exchanger 3 enters airflow circulating passage after being reduced to 550 ℃ ~ 650 ℃, under the effect of circulating fan 6, enter burner hearth 2, another part is discharged baker 1 by waste gas passing away, and waste gas passing away is through the second heat exchanger 4.The air-flow entering after burner hearth 2 makes burner hearth 2 remain on the paint liquid evaporation generation solvent vapo(u)r that uniform temperature makes enamelled wire surface, solvent vapo(u)r is during through the second heat exchanger 4, enters combustion catalysis chamber 5 after the temperature of solvent vapo(u)r can being heated to the temperature of catalytic reaction.
diverse location in baker 1 is provided with temperature sensor, so that the temperature in control baker, temperature sensor comprises the first temperature sensor, the second temperature sensor that is arranged on described burner hearth line outlet 22 places, the 4th temperature sensor that is arranged on the interior incoming line of burner hearth 2 21 places that are arranged on after described the first heat exchanger 3, be arranged in burner hearth 2 three-temperature sensor in centre position roughly, be arranged on the 5th temperature sensor before described combustion catalysis chamber 5, be arranged on the 6th temperature sensor behind described combustion catalysis chamber 6.Front and back of the present invention define by circulating current direction.
the place, air port of the first heat exchanger 3 has self-adjustable throttle setting, throttle setting comprises motor 31, shaft coupling 32, drive lead screw 33, the air door 34 being connected with drive lead screw 33, thereby the air quantity that motor 31 drives drive lead screws 33 to drive air doors 34 to move to change air inlet 21 by shaft coupling 32 regulates the temperature of recyclegas.Automatically opening or closing of the temperature damper device that motor 31 records by temperature sensor.
in circulating current direction as shown in Figure 1, circulating current during through the second heat exchanger 4 after temperature raise, behind combustion catalysis chamber 5, form high temperature gas flow, part high temperature gas flow temperature under the adjusting of the first heat exchanger 3 reduces, effect by circulating fan 6 circulates, and enters in burner hearth 2.Waste gas is as shown in Figure 1 discharged in direction, while being discharged from baker 1 through the high temperature gas flow of catalytic combustion through the second heat exchanger 4.Enamelled wire line direction as shown in Figure 1 and the circulating current opposite direction in burner hearth 2.Thereby the circulation of baker 1 interior air-flow and the utilization that catalytic combustion produces heat energy have been formed.The heat that heat in the process of baking and banking up with earth in baker 1 mainly comes self-catalyzed reaction to produce, baker 1 inner heating device plays the effect of preheating and auxiliary heating.
above the present invention is described in detail; the explanation of embodiment is just for helping to understand method of the present invention and core concept thereof; its object is to allow the personage who is familiar with this art can understand content of the present invention and implement according to this, can not limit the scope of the invention with this.All equivalences that Spirit Essence is done according to the present invention change or modify, within all should being encompassed in protection scope of the present invention.
Claims (8)
1. a baker of producing enamelled wire, it comprises: burner hearth, circulating fan, heater, combustion catalysis chamber, described burner hearth two ends offer incoming line and line outlet, between described incoming line and line outlet, form baking channel; Described combustion catalysis chamber has inlet end and outlet side, the inlet end of described combustion catalysis chamber and outlet side are connected with described burner hearth respectively, it is characterized in that, described baker also comprise one be arranged between the outlet side of described combustion catalysis chamber and burner hearth for regulating reuse to the first heat exchanger of the temperature of the reuse air-flow of burner hearth.
2. a kind of baker of producing enamelled wire according to claim 1, it is characterized in that, described baker also comprise be arranged between described combustion catalysis chamber and described the first heat exchanger or the first heat exchanger after temperature sensor, the first described heat exchanger comprises an air inlet, be arranged at the throttle setting for the temperature regulating air volume that records according to described temperature sensor at described air inlet place.
3. a kind of baker of producing enamelled wire according to claim 2, it is characterized in that, motor, the drive lead screw by a shaft coupling with the transmission of described motor phase that described throttle setting comprises air door, drives described air door to move relative to air inlet, described air door is connected with described drive lead screw.
4. a kind of baker of producing enamelled wire according to claim 1, it is characterized in that, described baker also comprises and is arranged at the second heat exchanger between described burner hearth and the inlet end of described combustion catalysis chamber, described heater comprises the interior electrothermal tube of a plurality of burner hearths that are arranged in described burner hearth and is arranged at described combustion catalysis chamber inlet end catalysis electrothermal tube before, described baker also comprises that one for passing through the waste gas passing away of the portion gas discharge of combustion catalysis chamber, described waste gas passing away is through the second heat exchanger, so that the second described heat exchanger reclaims the temperature of the heat heat cycles gas of waste gas.
5. a kind of baker of producing enamelled wire according to claim 4, is characterized in that, is also provided with an air inlet pipe in airflow circulating passage, and described air inlet pipe is arranged on described catalysis with between electrothermal tube and combustion catalysis chamber.
6. a temperature-controlled process for the baker of the production enamelled wire as described in claim 1 to 5 any one, is characterized in that, comprises the following steps:
(1) enamelled wire is carried out to high-temperature baking, make the paint liquid evaporation of enamelled wire produce solvent vapo(u)r;
(2) solvent vapo(u)r is carried out to catalytic combustion, after elimination solvent wherein, form high temperature gas flow;
(3) high temperature gas flow of a part enters burner hearth as reuse air-flow after the first heat exchanger temperature reduces, and the high temperature gas flow of another part is discharged baker,
Circulation step (1), (2), (3) successively.
7. the temperature-controlled process in a kind of Production of Enamel Wires baker according to claim 6, it is characterized in that, a part of high temperature gas flow in step (3) enters burner hearth as reuse air-flow after the first heat exchanger temperature reduces, the high temperature gas flow of another part is discharged baker through the second heat exchanger, so that the second described heat exchanger reclaims the temperature of the heat heat cycles gas of waste gas.
8. the temperature-controlled process in a kind of Production of Enamel Wires baker according to claim 7, is characterized in that, in step (3), and according to the temperature recording in baker, the throttle setting regulating air volume of the air inlet of the first heat exchanger.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410398140.9A CN104167261B (en) | 2014-08-14 | 2014-08-14 | A kind of baker and temperature-controlled process for producing enamel-covered wire |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410398140.9A CN104167261B (en) | 2014-08-14 | 2014-08-14 | A kind of baker and temperature-controlled process for producing enamel-covered wire |
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| Publication Number | Publication Date |
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| CN104167261A true CN104167261A (en) | 2014-11-26 |
| CN104167261B CN104167261B (en) | 2017-04-05 |
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| CN201410398140.9A Expired - Fee Related CN104167261B (en) | 2014-08-14 | 2014-08-14 | A kind of baker and temperature-controlled process for producing enamel-covered wire |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105674303A (en) * | 2016-04-15 | 2016-06-15 | 袁杰 | Waste gas treatment device |
| CN106024214A (en) * | 2016-07-13 | 2016-10-12 | 苏州市吴江神州双金属线缆有限公司 | Enamelling machine temperature control method and enamelling machine temperature control system |
| CN106847427A (en) * | 2017-02-20 | 2017-06-13 | 东莞市太阳线缆设备有限公司 | Paint baking oven hot wind exchanging type automatic cooling system |
| CN106992044A (en) * | 2017-04-17 | 2017-07-28 | 格力电工（马鞍山）有限公司 | Baking method of enameled wire |
| CN109036734A (en) * | 2018-08-18 | 2018-12-18 | 天长市嘉通铜业有限公司 | Baker energy saver and its processing technology during a kind of enameled wire machining |
| CN110391056A (en) * | 2019-07-05 | 2019-10-29 | 安徽蓉胜电子基础材料有限公司 | Paint film automatic regulating system based on bunch grade adjustment |
| CN112420287A (en) * | 2020-12-02 | 2021-02-26 | 吴江市神州机械有限公司 | Horizontal baking finish equipment for producing oversized enameled round wire |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05225840A (en) * | 1992-02-17 | 1993-09-03 | Furukawa Electric Co Ltd:The | Enamel wire baking furnace |
| CN2788312Y (en) * | 2005-04-21 | 2006-06-14 | 衡阳市鸿虎仪器机械有限公司 | Energy-saving flat wire paint drier |
| CN200983291Y (en) * | 2006-11-24 | 2007-11-28 | 佛山市顺德区盈程电工材料有限公司 | Paint-covered line baker |
| CN102074318A (en) * | 2010-12-31 | 2011-05-25 | 东莞市太阳线缆设备有限公司 | Baking oven temperature control system |
| CN102368412A (en) * | 2011-09-14 | 2012-03-07 | 吴江市神州机械有限公司 | Cyclic baking method of enamelled wire and oven for realizing method |
| CN202487294U (en) * | 2011-12-30 | 2012-10-10 | 山东莱河电磁线有限公司 | Vertical type energy-saving enameling machine |
| CN103730212A (en) * | 2013-12-12 | 2014-04-16 | 无锡市梅达电工机械有限公司 | Continuous catalytic combustion device of intermediate speed vertical type enameling machine oven |
| CN203982907U (en) * | 2014-08-14 | 2014-12-03 | 陈本能 | A kind of baker of producing enamelled wire |
-
2014
- 2014-08-14 CN CN201410398140.9A patent/CN104167261B/en not_active Expired - Fee Related
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05225840A (en) * | 1992-02-17 | 1993-09-03 | Furukawa Electric Co Ltd:The | Enamel wire baking furnace |
| CN2788312Y (en) * | 2005-04-21 | 2006-06-14 | 衡阳市鸿虎仪器机械有限公司 | Energy-saving flat wire paint drier |
| CN200983291Y (en) * | 2006-11-24 | 2007-11-28 | 佛山市顺德区盈程电工材料有限公司 | Paint-covered line baker |
| CN102074318A (en) * | 2010-12-31 | 2011-05-25 | 东莞市太阳线缆设备有限公司 | Baking oven temperature control system |
| CN102368412A (en) * | 2011-09-14 | 2012-03-07 | 吴江市神州机械有限公司 | Cyclic baking method of enamelled wire and oven for realizing method |
| CN202487294U (en) * | 2011-12-30 | 2012-10-10 | 山东莱河电磁线有限公司 | Vertical type energy-saving enameling machine |
| CN103730212A (en) * | 2013-12-12 | 2014-04-16 | 无锡市梅达电工机械有限公司 | Continuous catalytic combustion device of intermediate speed vertical type enameling machine oven |
| CN203982907U (en) * | 2014-08-14 | 2014-12-03 | 陈本能 | A kind of baker of producing enamelled wire |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105674303A (en) * | 2016-04-15 | 2016-06-15 | 袁杰 | Waste gas treatment device |
| CN105674303B (en) * | 2016-04-15 | 2018-05-18 | 东莞鑫睿思环保设备有限公司 | A kind of emission-control equipment |
| CN106024214A (en) * | 2016-07-13 | 2016-10-12 | 苏州市吴江神州双金属线缆有限公司 | Enamelling machine temperature control method and enamelling machine temperature control system |
| CN106847427A (en) * | 2017-02-20 | 2017-06-13 | 东莞市太阳线缆设备有限公司 | Paint baking oven hot wind exchanging type automatic cooling system |
| CN106992044A (en) * | 2017-04-17 | 2017-07-28 | 格力电工（马鞍山）有限公司 | Baking method of enameled wire |
| CN109036734A (en) * | 2018-08-18 | 2018-12-18 | 天长市嘉通铜业有限公司 | Baker energy saver and its processing technology during a kind of enameled wire machining |
| CN109036734B (en) * | 2018-08-18 | 2024-05-31 | 天长市嘉通铜业有限公司 | Oven energy-saving device in enameled wire processing process and processing technology thereof |
| CN110391056A (en) * | 2019-07-05 | 2019-10-29 | 安徽蓉胜电子基础材料有限公司 | Paint film automatic regulating system based on bunch grade adjustment |
| CN112420287A (en) * | 2020-12-02 | 2021-02-26 | 吴江市神州机械有限公司 | Horizontal baking finish equipment for producing oversized enameled round wire |
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