CN106847427B - Hot air exchange type automatic cooling system of paint baking furnace - Google Patents
Hot air exchange type automatic cooling system of paint baking furnace Download PDFInfo
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- CN106847427B CN106847427B CN201710089679.XA CN201710089679A CN106847427B CN 106847427 B CN106847427 B CN 106847427B CN 201710089679 A CN201710089679 A CN 201710089679A CN 106847427 B CN106847427 B CN 106847427B
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- air duct
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- 238000001816 cooling Methods 0.000 title claims abstract description 28
- 239000003973 paint Substances 0.000 title claims abstract description 13
- 230000003197 catalytic effect Effects 0.000 claims abstract description 25
- 239000002699 waste material Substances 0.000 claims description 6
- 238000000605 extraction Methods 0.000 claims 2
- 239000007789 gas Substances 0.000 description 13
- 238000007084 catalytic combustion reaction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- 239000002912 waste gas Substances 0.000 description 3
- 238000004140 cleaning Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 238000003915 air pollution Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
- H01B13/30—Drying; Impregnating
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Coating Apparatus (AREA)
Abstract
Description
技术领域：Technical field:
本发明涉及烤漆炉技术领域，尤其涉及烤漆炉热风交换式自动降温系统。The invention relates to the technical field of paint baking furnaces, in particular to a hot air exchange automatic cooling system for paint baking furnaces.
背景技术：Background technique:
在漆包线生产中，油漆溶剂遇热蒸发，经催化后进行高温燃烧，燃烧后会产生高达650℃以上的高温，这个高温气流因温度太高不好利用，将会有很大一部分被当作废气排放，其一会对大气造成污染，其二会造成能源浪费。In the production of enameled wire, the paint solvent evaporates when heated, and burns at a high temperature after being catalyzed. After burning, a high temperature of over 650°C will be generated. This high-temperature airflow is too high to be used, and a large part of it will be used as waste gas Emissions, one will cause pollution to the atmosphere, and the other will cause energy waste.
申请人此前申请的专利号为201010624557.4、名称为烘炉温度控制系统的中国专利，该烘炉温度控制系统采用了自动加入冷空气进行降温的方式来解决，此方法虽能解决温度降低问题，但同时又鼓入了较多体积量的空气，使得必须排出较多量的废气来达到进出平衡，废气排放量大，不环保。The patent No. 201010624557.4 previously applied by the applicant is a Chinese patent titled oven temperature control system. The oven temperature control system adopts the method of automatically adding cold air to cool down. Although this method can solve the problem of temperature reduction, the At the same time, a large volume of air is blown in, so that a large amount of exhaust gas must be discharged to achieve the balance of in and out, and the amount of exhaust gas discharge is large, which is not environmentally friendly.
发明内容：Invention content:
本发明的目的在于针对现有技术的不足而提供一种减少废气排放、节约能源的烤漆炉热风交换式自动降温系统。The object of the present invention is to provide a hot air exchange type automatic cooling system for paint baking ovens that reduces waste gas emissions and saves energy in view of the deficiencies in the prior art.
本发明的目的通过以下技术措施实现：The object of the present invention is achieved through the following technical measures:
烤漆炉热风交换式自动降温系统，它包括有炉膛、抽风风道、送风风道、循环风机、热交换器、主催化燃烧器、降温系统，送风风道的两端分别与炉膛的一端、循环风机的送风口连通，抽风风道的两端分别与炉膛的另一端、主催化燃烧器的入口连通，热交换器的高温介质入口与主催化燃烧器的出口连通，热交换器的高温介质出口与循环风机的抽风口连通，热交换器的低温介质入口、低温介质出口分别与降温系统连通。Hot air exchange type automatic cooling system for paint baking furnace, which includes a furnace, exhaust air duct, air supply duct, circulation fan, heat exchanger, main catalytic burner, cooling system, the two ends of the air supply duct are respectively connected to one end of the furnace 1. The air supply port of the circulating fan is connected, the two ends of the exhaust air duct are respectively connected with the other end of the furnace and the inlet of the main catalytic burner, the high temperature medium inlet of the heat exchanger is connected with the outlet of the main catalytic burner, and the high temperature of the heat exchanger is connected with the outlet of the main catalytic burner. The medium outlet is communicated with the exhaust port of the circulating fan, and the low-temperature medium inlet and low-temperature medium outlet of the heat exchanger are respectively communicated with the cooling system.
所述降温系统包括有降温风机、能够自动打开或关闭的风门装置、冷风风道、排热风道，冷风风道的两端分别与降温风机的送风口、热交换器的低温介质入口连通，排热风道的一端与热交换器的低温介质出口连通，风门装置设置在冷风风道上。The cooling system includes a cooling fan, a damper device that can be opened or closed automatically, a cold air duct, and a heat exhaust air duct. One end of the hot air passage communicates with the low-temperature medium outlet of the heat exchanger, and the damper device is arranged on the cold air passage.
所述热交换器的高温介质出口处设有温度传感器。A temperature sensor is provided at the outlet of the high temperature medium of the heat exchanger.
本发明还包括有副催化燃烧器、排废风机，副催化燃烧器的入口与抽风风道的出口连通，副催化燃烧器的出口与排废风机的抽风口连通。The present invention also includes a secondary catalytic burner and a waste exhaust fan. The inlet of the secondary catalytic burner communicates with the outlet of the exhaust air duct, and the outlet of the secondary catalytic burner communicates with the exhaust port of the exhaust fan.
本发明有益效果在于：本发明包括有炉膛、抽风风道、送风风道、循环风机、热交换器、主催化燃烧器、降温系统，送风风道的两端分别与炉膛的一端、循环风机的送风口连通，抽风风道的两端分别与炉膛的另一端、主催化燃烧器的入口连通，热交换器的高温介质入口与主催化燃烧器的出口连通，热交换器的高温介质出口与循环风机的抽风口连通，热交换器的低温介质入口、低温介质出口分别与降温系统连通，漆包线生产过程中，油漆溶剂在炉膛遇热蒸发，经循环风机配合抽风风道抽入到主催化燃烧器中进行高温催化燃烧，催化燃烧后会产生高达650℃以上的高温气体，高温气体经过热交换器进行降温将95％以上的热量交换到降温系统中，降温后的气体重新送回炉膛重复热能利用，极大的减少废气排放，减少对大气造成污染且节约了能源。The beneficial effect of the present invention is that: the present invention comprises furnace, exhaust air duct, air supply duct, circulating fan, heat exchanger, main catalytic burner, cooling system, and the two ends of air supply duct are respectively connected with one end of furnace, circulation The air supply port of the fan is connected, the two ends of the exhaust air duct are respectively connected with the other end of the furnace and the inlet of the main catalytic burner, the high-temperature medium inlet of the heat exchanger is connected with the outlet of the main catalytic burner, and the high-temperature medium outlet of the heat exchanger is It is connected with the exhaust port of the circulating fan, and the low-temperature medium inlet and low-temperature medium outlet of the heat exchanger are respectively connected with the cooling system. During the enameled wire production process, the paint solvent evaporates in the furnace when it is heated, and is drawn into the main catalyst through the circulating fan and the exhaust air duct. High-temperature catalytic combustion is carried out in the burner. After catalytic combustion, high-temperature gas above 650°C will be generated. The high-temperature gas will be cooled by a heat exchanger, and more than 95% of the heat will be exchanged to the cooling system. The cooled gas will be sent back to the furnace to repeat Utilization of heat energy greatly reduces waste gas emissions, reduces air pollution and saves energy.
附图说明：Description of drawings:
图1是本发明的结构示意图。Fig. 1 is a schematic structural view of the present invention.
具体实施方式：Detailed ways:
下面结合附图对本发明作进一步的说明，如图1所示，本发明提供的烤漆炉热风交换式自动降温系统包括有炉膛1、抽风风道2、送风风道3、循环风机4、热交换器5、主催化燃烧器6、降温系统，送风风道3的两端分别与炉膛1的一端、循环风机4的送风口连通，抽风风道2的两端分别与炉膛1的另一端、主催化燃烧器6的入口连通，热交换器5的高温介质入口与主催化燃烧器6的出口连通，热交换器5的高温介质出口与循环风机4的抽风口连通，循环风机4、送风风道3、炉膛1、抽风风道2、主催化燃烧器6和热交换器5之间组成循环系统，热交换器5的低温介质入口、低温介质出口分别与降温系统连通。The present invention will be further described below in conjunction with the accompanying drawings. As shown in Figure 1, the hot air exchange type automatic cooling system for paint baking furnaces provided by the present invention includes a furnace 1, an exhaust air duct 2, an air supply duct 3, a circulating fan 4, a heating Exchanger 5, main catalytic burner 6, cooling system, the two ends of the air supply duct 3 are respectively connected with one end of the furnace 1 and the air supply port of the circulating fan 4, and the two ends of the exhaust air duct 2 are respectively connected with the other end of the furnace 1 1. The inlet of the main catalytic burner 6 is communicated, the high-temperature medium inlet of the heat exchanger 5 is communicated with the outlet of the main catalytic burner 6, the high-temperature medium outlet of the heat exchanger 5 is communicated with the exhaust port of the circulating fan 4, and the circulating fan 4, A circulation system is formed among the wind duct 3, the furnace 1, the exhaust air duct 2, the main catalytic burner 6 and the heat exchanger 5, and the low-temperature medium inlet and low-temperature medium outlet of the heat exchanger 5 are connected with the cooling system respectively.
降温系统包括有降温风机7、能够自动打开或关闭的风门装置8、冷风风道9、排热风道10，冷风风道9的两端分别与降温风机7的送风口、热交换器5的低温介质入口连通，排热风道10的一端与热交换器5的低温介质出口连通，风门装置8设置在冷风风道9上热交换器5的低温介质入口内吹入冷空气(室温)，热交换器5的高温介质入口通过燃烧后产生的高温气体，经过换热使高温气体温度下降，从而减少调温风机吹入的调温冷气量，这样排出废气量也会随之减少，达到减少排废的环保效果。热交换器5的高温介质出口处设有温度传感器11。当温度传感器11检测到温度超过设定值时，自动降温风门装置8会依据超温数值与设定数值的差值自动打开并控制风口的大小，并依据PLC程序自动调整降温风机7的风量，经PID调谐，自动将温度控制在设定值范围内，实现热交换自动降温功能。交换吸热后的气体(无污染的新鲜热空气)，可用于加热清洗铜线的清洗水，或可用于冬天车间增温等，减少能源的浪费。The cooling system includes a cooling fan 7, a damper device 8 that can be automatically opened or closed, a cold air duct 9, and a heat exhausting air duct 10. The medium inlet is communicated, and one end of the exhaust heat air passage 10 is communicated with the low-temperature medium outlet of the heat exchanger 5, and the damper device 8 is arranged on the cold air passage 9 to blow cold air (room temperature) into the low-temperature medium inlet of the heat exchanger 5 to exchange heat. The high-temperature medium inlet of the device 5 passes through the high-temperature gas produced after combustion, and the temperature of the high-temperature gas is reduced through heat exchange, thereby reducing the amount of temperature-regulated cold air blown by the temperature-regulating fan, so that the amount of exhaust gas will also be reduced accordingly, achieving a reduction in waste discharge environmental protection effect. A temperature sensor 11 is provided at the high temperature medium outlet of the heat exchanger 5 . When the temperature sensor 11 detects that the temperature exceeds the set value, the automatic cooling damper device 8 will automatically open and control the size of the air outlet according to the difference between the over-temperature value and the set value, and automatically adjust the air volume of the cooling fan 7 according to the PLC program. After PID tuning, the temperature is automatically controlled within the set value range to realize the automatic cooling function of heat exchange. The gas after exchanging heat (non-polluting fresh hot air) can be used to heat the cleaning water for cleaning copper wires, or it can be used to increase the temperature of the workshop in winter, etc., to reduce energy waste.
本发明还包括有副催化燃烧器12、排废风机13，副催化燃烧器12的入口与抽风风道2的出口连通，副催化燃烧器12的出口与排废风机13的抽风口连通，能够根据需要打开排废风机13将废气排出。The present invention also includes secondary catalytic burner 12, exhaust fan 13, the inlet of secondary catalytic burner 12 communicates with the outlet of exhaust air duct 2, and the outlet of secondary catalytic burner 12 communicates with the exhaust port of exhaust fan 13, which can Open exhaust blower fan 13 exhaust gas is discharged as required.
漆包线生产过程中，油漆溶剂在炉膛1遇热蒸发，经循环风机4配合抽风风道2抽入到主催化燃烧器6中进行高温催化燃烧，催化燃烧后会产生高达650℃以上的高温气体，高温气体经过热交换器5进行降温将95％以上的热量交换到降温系统中，降温后的气体重新送回炉膛1重复热能利用，极大的减少废气排放，减少对大气造成污染且节约了能源。During the production process of the enameled wire, the paint solvent evaporates when heated in the furnace 1, and is pumped into the main catalytic burner 6 through the circulation fan 4 and the exhaust air duct 2 for high-temperature catalytic combustion. The high-temperature gas is cooled by the heat exchanger 5, and more than 95% of the heat is exchanged to the cooling system. The cooled gas is sent back to the furnace 1 for repeated heat energy utilization, which greatly reduces exhaust gas emissions, reduces pollution to the atmosphere and saves energy. .
最后应当说明的是，以上实施例仅用以说明本发明的技术方案，而非对本发明保护范围的限制，尽管参照较佳实施例对本发明作了详细地说明，本领域的普通技术人员应当理解，可以对本发明的技术方案进行修改或者等同替换，而不脱离本发明技术方案的实质和范围。Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than limiting the protection scope of the present invention, although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand , the technical solution of the present invention may be modified or equivalently replaced without departing from the spirit and scope of the technical solution of the present invention.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110391056B (en) * | 2019-07-05 | 2021-02-02 | 安徽蓉胜电子基础材料有限公司 | Automatic paint film regulating and controlling system based on cascade regulation |
| CN117797731A (en) * | 2021-11-26 | 2024-04-02 | 苏州市吴江神州双金属线缆有限公司 | Organic gas catalytic device in enamelled wire painting |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101482364B (en) * | 2009-01-19 | 2011-12-28 | 东莞泽龙线缆有限公司 | Method and equipment for reasonably distributing catalytic combustion heat energy for enameling machine |
| CN201549274U (en) * | 2009-10-28 | 2010-08-11 | 无锡市梅达电工机械有限公司 | Medium speed enamelling machine hot air circulation oven |
| CN102074318B (en) * | 2010-12-31 | 2012-11-21 | 东莞市太阳线缆设备有限公司 | oven temperature control system |
| CN104167261B (en) * | 2014-08-14 | 2017-04-05 | 陈本能 | A kind of baker and temperature-controlled process for producing enamel-covered wire |
| CN206489911U (en) * | 2017-02-20 | 2017-09-12 | 东莞市太阳线缆设备有限公司 | Hot air exchange type automatic cooling system for paint baking furnace |
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