CN109248838B - Transverse drying chamber - Google Patents

Transverse drying chamber Download PDF

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Publication number
CN109248838B
CN109248838B CN201811153820.9A CN201811153820A CN109248838B CN 109248838 B CN109248838 B CN 109248838B CN 201811153820 A CN201811153820 A CN 201811153820A CN 109248838 B CN109248838 B CN 109248838B
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China
Prior art keywords
air
channel
duct
drying
air duct
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Application number
CN201811153820.9A
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Chinese (zh)
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CN109248838A (en
Inventor
刘天力
黄鹏
林涛
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China Automobile Industry Engineering Co Ltd
Scivic Engineering Corp
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China Automobile Industry Engineering Co Ltd
Scivic Engineering Corp
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Priority to CN201811153820.9A priority Critical patent/CN109248838B/en
Publication of CN109248838A publication Critical patent/CN109248838A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05DPROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/04Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases
    • B05D3/0406Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by exposure to gases the gas being air
    • B05D3/0413Heating with air
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working

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  • Drying Of Solid Materials (AREA)

Abstract

The invention discloses a transverse drying chamber, which comprises a drying channel for transversely moving a vehicle, wherein one side of the drying channel in the axial direction forms a side inner air channel, a top inner air channel is formed above the side inner air channel at the corner of the drying channel, an exhaust air channel is formed at the corner of the drying channel at the opposite side of the top inner air channel, a bottom air return channel is arranged at the bottom of the drying channel, and the bottom air return channel is communicated with a mixing cavity positioned at the outer side of the side inner air channel; the high-temperature air duct is formed above the air mixing cavity, the air supply channel is formed outside the air mixing cavity, the pressure equalizing cavity is formed between the side inner air duct and the top inner air duct and between the mixing cavity and the high-temperature air duct, and the air supply channel is communicated with the pressure equalizing cavity through the top air duct positioned at the top of the high-temperature air duct. According to the horizontal drying chamber, the nozzle is not directly arranged on the surface of the vehicle body for heating, and the internal heat transfer and the lower air speed in the space are relied on for heating, so that the glossiness of a paint film on the surface of the vehicle body after baking is better.

Description

Transverse drying chamber
Technical Field
The invention relates to the technical field of coating and drying, in particular to a transverse drying chamber.
Background
At present, in the automobile coating industry, a drying chamber and a matched hot air system are generally used as devices or systems of an automobile drying process, however, the drying channel of the existing drying chamber structure has large internal volume and high energy consumption, the components such as the drying chamber and an air duct are of separated designs, the heat dissipation area can be processed, the energy consumption is improved, and many places for improvement exist, so that the drying chamber for automobile coating needs to be further improved and improved in order to reduce the energy consumption and improve the response speed.
Disclosure of Invention
The invention aims at overcoming the technical defects in the prior art and provides a transverse drying chamber.
The technical scheme adopted for realizing the purpose of the invention is as follows:
the transverse drying chamber comprises a drying channel for transversely moving a vehicle, wherein one side of the drying channel in the axial direction forms a side inner air channel, a top inner air channel is formed above the side inner air channel at the corner of the drying channel, an exhaust air channel is formed at the corner of the drying channel at the opposite side of the top inner air channel, a bottom air return channel is arranged at the bottom of the drying channel, and the bottom air return channel is communicated with a mixing cavity positioned outside the side inner air channel; the high-temperature air duct is formed above the air mixing cavity, the air supply channel is formed outside the air mixing cavity, the pressure equalizing cavity is formed between the side inner air duct and the top inner air duct and between the mixing cavity and the high-temperature air duct, and the air supply channel is communicated with the pressure equalizing cavity through the top air duct positioned at the top of the high-temperature air duct.
And a circulating fan is arranged at the lower part of the air supply channel.
And a mixing valve is arranged between the high-temperature air duct formed above the air mixing cavity and the air mixing cavity.
The side inner air duct is internally provided with a side inner air nozzle, the top inner air duct is internally provided with a top inner air nozzle, and the exhaust air duct is internally provided with an exhaust valve.
The cross section of the top inner air channel is quadrilateral, and the cross section of the exhaust air channel is triangular.
The top air filter screen is installed on the air inlet side of the top inner air channel, and the side air filter screen is installed on the air inlet side of the side inner air channel.
The top air channel is positioned at the top of the high-temperature air channel, the pressure equalizing cavity and the air supply air channel.
Wherein, the pressure equalizing cavity is provided with the access door with mixing the wind chamber adjacent department.
Wherein, be equipped with the water conservancy diversion structure that forms by the guide plate in the wind channel of top.
According to the transverse drying chamber, the vehicle body is transversely conveyed in the drying chamber, and compared with longitudinal conveying, the length of the drying chamber is greatly shortened. The drying channel is designed in a copying way, so that the internal volume is reduced, the whole energy consumption is reduced, the temperature rise speed of the system is improved, and the corresponding speed of the system to temperature change is accelerated.
According to the horizontal drying chamber, the drying channel, the air duct, the fan and other parts are integrated, so that the surface heat dissipation area is reduced, and the energy consumption is further reduced.
According to the horizontal drying chamber, the temperature of the circulating air is controlled in a mixing mode, so that compared with an indirect heat exchange mode, the stability of the system is greatly improved, and the accurate control of the temperature of a drying process is ensured. Meanwhile, the resistance of the system is reduced by adopting a wind mixing mode, and the power of the fan is reduced.
According to the transverse drying chamber, the top nozzle is ensured to directly blow hot air out of the interior of the vehicle body, the side nozzle is ensured to directly blow hot air into the engine compartment, the thicker steel plate and the complex modeling in the interior can be ensured to be heated preferentially, the whole temperature difference of the vehicle body is reduced, and the baking quality is ensured.
According to the horizontal drying chamber, the nozzle is not directly arranged on the surface of the vehicle body for heating, and the internal heat transfer and the lower air speed in the space are relied on for heating, so that the glossiness of a paint film on the surface of the vehicle body after baking is better.
Drawings
Fig. 1 is a schematic structural view of a lateral drying chamber;
fig. 2 is a schematic view of a structure of the lateral drying chamber;
FIG. 3 is a schematic view of the wind flow direction of the lateral drying chamber;
in the figure: the air conditioner comprises a 1-air supply channel, a 2-top air channel, a 3-pressure equalizing cavity, a 4-top inner air channel, a 5-drying channel, a 6-exhaust air channel, a 7-bottom air return channel, an 8-side inner air channel, a 9-air mixing cavity, a 10-high temperature air channel, an 11-circulating fan, a 12-air mixing valve, a 13-deflector, a 14-top air filter screen, a 15-top nozzle, a 16-exhaust air valve, a 17-transverse conveying device, a 18-side nozzle, a 19-side air filter screen and a 20-access door.
Detailed Description
The invention is described in further detail below with reference to the drawings and the specific examples. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1-3, a lateral drying chamber comprises a drying channel 5 for lateral movement of a vehicle, wherein one side of the drying channel 5 in the axial direction forms a side inner air channel 8, a top inner air channel 4 is formed above the side inner air channel at the corner of the drying channel 5, an exhaust air channel 6 is formed at the corner of the drying channel at the opposite side of the top inner air channel, a bottom air return channel 7 is arranged at the bottom of the drying channel, and the bottom air return channel is communicated with a mixing cavity 9 positioned outside the side inner air channel; the upper part of the air mixing cavity forms a high-temperature air channel 10 for introducing high-temperature air, the outer side upper part of the air mixing cavity forms an air supply channel 1 for conveying mixed air mixed by bottom return air and the high-temperature air to a drying passage through a top air channel 2 and a pressure equalizing cavity 3, wherein the pressure equalizing cavity 3 is formed between the outer sides of the side inner air channel and the top inner air channel and the mixing cavity and the high-temperature air channel, and the air supply channel is communicated with the pressure equalizing cavity through the top air channel 2 positioned at the top of the high-temperature air channel.
The lower part of the air supply channel is far away from one side of the air mixing cavity, a circulating fan 11 is arranged on the lower part of the air supply channel so as to realize the function of circulating air supply, and the lower part of the air supply channel is communicated with the corresponding side of the air mixing cavity so as to realize that mixed air in the air mixing cavity can flow into the inner air supply channel and be sent away.
The mixing valve 12 is arranged between a high-temperature air duct formed above the air mixing cavity and a high-temperature air inlet of the air mixing cavity, the high-temperature air entering the high-temperature air duct can be sent into the mixing cavity through controlling to be opened and the opened state, and is discharged to the air feeding channel 1 after being mixed with bottom return air of the drying channel, and then is sent into the pressure equalizing cavity 3 through the top air duct 2, and then is respectively sent into the drying channel through the side inner air duct and the top inner air duct, so that the top inner air duct can directly blow hot air out of the vehicle body, the side inner air duct directly blows the hot air into the engine compartment, the thicker steel plates and the complex shapes in the vehicle body can be heated preferentially, the whole temperature difference of the vehicle body is reduced, and the baking quality is ensured.
The cross section of the top inner air duct is designed into a profiling quadrilateral shape according to the condition of a vehicle type, and the cross section of the exhaust air duct is triangular. The side inner air duct is internally provided with a side inner air nozzle 18, the top inner air duct is internally provided with a top inner air nozzle 15, the top inner air duct is arranged on an inclined panel which forms the top inner air duct and is positioned on the inner side, the exhaust air duct is internally provided with an exhaust valve 16, and the exhaust air duct is arranged on an inclined mounting plate with a mounting hole, which forms the exhaust air duct and is fixed with the inner corner of the drying air duct.
The top air filter 14 is installed on the air inlet side of the top inner air duct, and the side air filter 19 is installed on the air inlet side of the side inner air duct, so that the drying air is filtered and then sent into the top inner air duct and the side inner air duct, and then sent into the drying channel by the top inner air nozzle 15, and the side inner air nozzle 18 blows out hot air and carries out drying treatment on the vehicle.
Wherein, the top wind channel is located the top in high temperature wind channel, pressure equalizing chamber and air supply wind channel. The top of the high-temperature air channel, the pressure equalizing cavity and the air supply air channel are identical in height, and the width of the top air channel is identical to the sum of the widths of the high-temperature air channel, the pressure equalizing cavity and the air supply air channel.
Wherein, the top filter screen 14 and the side filter screen 19 filter the air flow to ensure the cleanliness of the circulating air blown to the car body. The arrangement of the access door 20 ensures that the circulating fan 11, the air mixing valve 12 and the air mixing chamber 9 can be maintained and cleaned.
In addition, in order to reduce the resistance of the air flow in the top air duct, the cross section of the top air duct is rectangular, a guide plate 13 can be arranged in the top air duct, and the guide plate can be arc-shaped to guide the air flow and reduce wind resistance.
The drying channel can be internally provided with a transverse conveying system 17, and a stepping conveying device in the prior art can be adopted to realize transverse conveying of the vehicle and ensure that the nozzle heats the vehicle body at fixed points.
In addition, the height of the pressure equalizing cavity is consistent with that of the drying channel, the side inner air channel is positioned in the rectangular pressure equalizing cavity, and the access door 20 is arranged on one side of the side surface of the mixing cavity, which is close to the side of the side inner air channel. The transverse section of the drying channel is rectangular, the transverse section of the drying chamber is rectangular,
during operation, the circulating fan 11 sends air flow into the pressure equalizing cavity 3 through the air supply channel 1 and the top air channel 2, the air flow is respectively blown into the drying channel 5 through the top air channel 4 and the side air channel 8 by corresponding nozzles, the top nozzle 15 blows the air flow into the vehicle body, and the side nozzle 18 blows the air flow into the front part and the bottom of the vehicle body, so that thicker steel plates and complex shapes of the parts can be heated preferentially.
The circulating air is sent to the air mixing cavity 9 by the bottom air return duct 7, and meanwhile, the high-temperature air flow in the high-temperature air duct 10 is controlled by the air mixing valve 12 and also enters the air mixing cavity 9 to complete the temperature control of the circulating air. Simultaneously, the exhaust air valve 16 is synchronously controlled, is discharged from the exhaust air duct 6, enters an external heat exchanger for heating, and can enter the high-temperature air duct 10 for mixing.
Compared with the prior art, the invention has the following beneficial effects:
1. the car body carries out horizontal transport in the drying chamber, compares vertical transport, has shortened the length of drying chamber greatly.
2. The drying channel is designed in a copying way, so that the internal volume is reduced, the whole energy consumption is reduced, the temperature rise speed of the system is improved, and the corresponding speed of the system to temperature change is accelerated.
And 3, the structure is compact, and the drying channel and all components such as an air duct, a fan and the like are integrated, so that the surface heat dissipation area is reduced, and the energy consumption is further reduced.
4. The circulating air is subjected to temperature control in a mixing mode, so that the stability of the system is greatly improved, and the accurate control of the temperature of a drying process is ensured compared with an indirect heat exchange mode. Meanwhile, the resistance of the system is reduced by adopting a wind mixing mode, and the power of the fan is reduced.
5. And the guide plate is arranged in the top air duct, so that the system resistance is further reduced, and the fan power is reduced.
6. The top nozzle can be guaranteed to directly blow hot air out of the inside of the automobile body, the side nozzle can directly blow hot air into the engine compartment, the thicker steel plate and the complex modeling in the inside can be guaranteed to be heated preferentially, the whole temperature difference of the automobile body is reduced, and the baking quality is guaranteed.
7. The spray nozzle is not directly arranged on the surface of the vehicle body to heat, and the internal heat transfer and the lower wind speed in the space are relied on to heat, so that the glossiness of a paint film on the surface of the vehicle body after baking is better.
The foregoing is merely a preferred embodiment of the present invention and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present invention, which are intended to be comprehended within the scope of the present invention.

Claims (6)

1. A transverse drying chamber is characterized by comprising a drying channel for transverse movement of a vehicle, wherein the drying channel is integrated with an air duct and a fan component; a side inner air channel is formed at one side of the axial direction of the drying channel, a top inner air channel is formed above the side inner air channel at the corner of the drying channel, an exhaust air channel is formed at the corner of the drying channel at the opposite side of the top inner air channel, a bottom air return channel is arranged at the bottom of the drying channel, and the bottom air return channel is communicated with an air mixing cavity positioned at the outer side of the side inner air channel; the high-temperature air duct is formed above the air mixing cavity, the air supply channel is formed on the outer side of the air mixing cavity, the pressure equalizing cavity is formed among the side inner air duct, the top inner air duct, the air mixing cavity and the high-temperature air duct, and the air supply channel is communicated with the pressure equalizing cavity through the top air duct positioned at the top of the high-temperature air duct; the side inner air duct is positioned in the pressure equalizing cavity; a circulating fan is arranged at the lower part of the air supply channel; a mixing valve is arranged between a high-temperature air duct formed above the air mixing cavity and the air mixing cavity; the top air channel is positioned at the top of the high-temperature air channel, the pressure equalizing cavity and the air supply channel;
when the air conditioner works, circulating air is sent to the air mixing cavity from the bottom air return channel, high-temperature air flow from the high-temperature air channel enters the air mixing cavity to complete temperature control of the circulating air, and meanwhile, the circulating air is discharged from the exhaust air channel and enters the high-temperature air channel for mixing after being heated by the external heat exchanger; the circulating fan sends air flow into the pressure equalizing cavity through the air supply channel and the top air channel, and the air flow is respectively blown into the drying channel through the top air channel and the side air channel by the corresponding nozzles, so that the air flow is blown into the vehicle body and the air flow is blown to the front part and the bottom of the vehicle body.
2. The transverse drying chamber according to claim 1, wherein a side inner air nozzle is installed in the side inner air duct, a top inner air nozzle is installed in the top inner air duct, and an exhaust valve is installed in the exhaust air duct.
3. The lateral drying chamber of claim 1, wherein the top internal air duct has a quadrilateral cross section and the exhaust air duct has a triangular cross section.
4. The lateral drying chamber of claim 1, wherein a top air filter is mounted to an air inlet side of the top inner duct and a side air filter is mounted to an air inlet side of the side inner duct.
5. The transverse drying chamber according to claim 1, characterized in that an access door is provided adjacent to the pressure equalizing chamber and the air mixing chamber.
6. The horizontal drying chamber of claim 1, wherein a deflector structure formed by a deflector is disposed within the top duct.
CN201811153820.9A 2018-09-30 2018-09-30 Transverse drying chamber Active CN109248838B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811153820.9A CN109248838B (en) 2018-09-30 2018-09-30 Transverse drying chamber

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Application Number Priority Date Filing Date Title
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CN109248838A CN109248838A (en) 2019-01-22
CN109248838B true CN109248838B (en) 2023-09-05

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Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111102811B (en) * 2020-01-09 2024-06-11 中国汽车工业工程有限公司 Transverse conveying drying chamber with same-side air supply and return functions
CN111451111A (en) * 2020-04-30 2020-07-28 常州市骠马工业机器人系统工程有限公司 Cross sliding type flash drying furnace
CN112076964A (en) * 2020-09-22 2020-12-15 杭州富阳联发消失模成型设备有限公司 Lost foam coating drying room with quick energy-saving air duct

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004050021A (en) * 2002-07-18 2004-02-19 Trinity Ind Corp Apparatus and method for heating/cooling automobile body
JP2009287831A (en) * 2008-05-29 2009-12-10 Iseki & Co Ltd Exhaust air circulation type grain drier
CN201416109Y (en) * 2009-06-05 2010-03-03 东莞市康源节能科技有限公司 Drying room for air source heat pump clothes dryer
CN202297490U (en) * 2011-09-29 2012-07-04 牛晓璐 Heating furnace
CN106903027A (en) * 2017-02-15 2017-06-30 中国汽车工业工程有限公司 A kind of drying chamber soaking zone of painting dressing automobiles industry drying system
CN107694876A (en) * 2017-11-16 2018-02-16 鹏亚机械科技(上海)有限公司 A kind of novel energy-conserving automobile factory paint drying drying room
JP2018124015A (en) * 2017-02-01 2018-08-09 リンナイ株式会社 Heating cooker
CN209271839U (en) * 2018-09-30 2019-08-20 机械工业第四设计研究院有限公司 A kind of transverse direction drying room

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004050021A (en) * 2002-07-18 2004-02-19 Trinity Ind Corp Apparatus and method for heating/cooling automobile body
JP2009287831A (en) * 2008-05-29 2009-12-10 Iseki & Co Ltd Exhaust air circulation type grain drier
CN201416109Y (en) * 2009-06-05 2010-03-03 东莞市康源节能科技有限公司 Drying room for air source heat pump clothes dryer
CN202297490U (en) * 2011-09-29 2012-07-04 牛晓璐 Heating furnace
JP2018124015A (en) * 2017-02-01 2018-08-09 リンナイ株式会社 Heating cooker
CN106903027A (en) * 2017-02-15 2017-06-30 中国汽车工业工程有限公司 A kind of drying chamber soaking zone of painting dressing automobiles industry drying system
CN107694876A (en) * 2017-11-16 2018-02-16 鹏亚机械科技(上海)有限公司 A kind of novel energy-conserving automobile factory paint drying drying room
CN209271839U (en) * 2018-09-30 2019-08-20 机械工业第四设计研究院有限公司 A kind of transverse direction drying room

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