CN115265165B - Container drying room drying system - Google Patents

Container drying room drying system Download PDF

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Publication number
CN115265165B
CN115265165B CN202210959755.9A CN202210959755A CN115265165B CN 115265165 B CN115265165 B CN 115265165B CN 202210959755 A CN202210959755 A CN 202210959755A CN 115265165 B CN115265165 B CN 115265165B
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China
Prior art keywords
drying
paint
container
temperature
drying system
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Active
Application number
CN202210959755.9A
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Chinese (zh)
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CN115265165A (en
Inventor
李前敏
周明才
徐欣茹
姜封顺
蔡红军
孙广银
张瑜
马壮
姜林弟
蒋可心
孙波
尹东
赵俊平
孟庆利
周勇智
郜晓旺
李飞翔
谭磊
殷克俭
杨光远
曾强
张绍川
李楠
杨洋
孙伟
赵宏
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DONGFANG INTERNATIONAL CONTAINER (JINZHOU) CO LTD
Shanghai Huanyu Logistics Technology Co Ltd
Original Assignee
DONGFANG INTERNATIONAL CONTAINER (JINZHOU) CO LTD
Shanghai Huanyu Logistics Technology Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by DONGFANG INTERNATIONAL CONTAINER (JINZHOU) CO LTD, Shanghai Huanyu Logistics Technology Co Ltd filed Critical DONGFANG INTERNATIONAL CONTAINER (JINZHOU) CO LTD
Priority to CN202210959755.9A priority Critical patent/CN115265165B/en
Publication of CN115265165A publication Critical patent/CN115265165A/en
Application granted granted Critical
Publication of CN115265165B publication Critical patent/CN115265165B/en
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
    • F26B21/06Controlling, e.g. regulating, parameters of gas supply
    • F26B21/12Velocity of flow; Quantity of flow, e.g. by varying fan speed, by modifying cross flow area
    • 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

Abstract

The invention relates to a drying system, in particular to a container drying room drying system. The invention provides a container drying room drying system, which comprises a primer drying system, a middle paint drying system and an external paint drying system, wherein the primer drying system comprises a primer preheating station area, a primer leveling station area, a primer surface drying station area and a primer high-temperature drying station area, and the middle paint drying system comprises a middle paint leveling station area, a middle paint surface drying station area and a middle paint high-temperature drying station area; the external paint drying system comprises an external paint leveling station area, an external paint low-temperature drying station area and an external paint high-temperature drying station area. The primer, the intermediate paint and the finish paint drying room of the coating line are subjected to multiple equipment transformation, and the air quantity and the air speed inside and outside the box are regulated, so that the problems of poor drying conditions of the primer outside the box, the intermediate paint outside the box, the inner finish paint and the outer finish paint are effectively solved. Meets the requirements of the quality and the productivity of the coating line drying process. The large box drying system and the small box drying system are separated, so that the drying efficiency of the coating can be improved, the investment of temperature regulating equipment is reduced, and the energy consumption is reduced.

Description

Container drying room drying system
Technical Field
The invention relates to a drying system, in particular to a container drying room drying system.
Background
The container manufacturing industry is a trend of developing the whole industry at present by enlarging the application of advanced energy-saving and environment-friendly technology and accelerating the green transformation and upgrading. The container manufacturing enterprises actively develop environmental protection transformation and upgrading, and environmental protection technologies or environmental protection materials represented by water paint, solvent recovery, environmental protection floors and the like are continuously applied and popularized. The container industry uses water paint to replace oil paint, the water paint has strict requirements on temperature and humidity of construction environment conditions, and particularly the problem of drying of the water paint is obvious, the investment of temperature regulating equipment is increased in the production process in winter, and meanwhile, the energy consumption is increased, so that the container has become the bottleneck for restricting the improvement of the production efficiency of the container.
Disclosure of Invention
Therefore, the invention aims to provide a drying system of a container drying room, which solves the problem of drying water paint of a container in the prior art.
In order to achieve the above purpose, the technical scheme of the invention is as follows:
the container drying room drying system comprises a primer drying system, a middle paint drying system and an external paint drying system, wherein the primer drying system comprises a primer preheating station area, a primer leveling station area, a primer surface drying station area and a primer high-temperature drying station area, and the middle paint drying system comprises a middle paint leveling station area, a middle paint surface drying station area and a middle paint high-temperature drying station area; the external paint drying system comprises an external paint leveling station area, an external paint low-temperature drying station area and an external paint high-temperature drying station area.
Further, the primer preheat and set up a plurality of direct-fired burners and fan on the station, the inner loop preheats the treatment to container surface, the primer preheat and set up 6 wind channels on the station, wherein: the wind speed of the wind channel 1 is 2-2.98m/s, the temperature is 33-35 ℃, the wind speed of the wind channel 2 is 3.68-8.54m/s, the temperature is 35-39 ℃, the wind speed of the wind channel 3 is 4.52-8.32m/s, the temperature is 35-39 ℃, the wind speed of the wind channel 4 is 3.57-7.90m/s, the temperature is 32-33 ℃, the wind speed of the wind channel 5 is 3.52-9.30m/s, the temperature is 29-33 ℃, the wind speed of the wind channel 6 is 1.43-2.78m/s, and the temperature is 20-28 ℃.
Further, the intermediate paint drying system heats and dries the surface of the container through the internal circulation of the fan and the burner, the surface temperature of the container placed at the station of the intermediate paint leveling zone is 20-40 ℃, the distance between the air inlet and the surface of the container is 800mm, and the surface wind speed of the container reaches 1m/s-2m/s.
Further, in the intermediate paint drying system, an inner circulating fan is arranged at the outermost side of the leveling zone, and the air duct is 12 meters; two fans are arranged in each of the second to sixth channels, and two sections of 6 m/root air channels are respectively arranged. The leveling area is provided with two stations, the wind speed reaches 2 meters/S, and the temperature is about 30 ℃; the surface dry area is 3 stations, the wind speed reaches 5-11 m/S, and the temperature is 50-60 ℃; the high temperature area is 3 stations, the wind speed reaches 8-10 m/S, and the temperature reaches 60-80 ℃.
Further, the surface temperature of the container placed in the station of the intermediate paint surface drying area is 50-60 ℃, and the distance between the air port and the surface of the container is 200mm.
Furthermore, the high-flow high-power fan and burner equipment are introduced into the high-temperature drying area of the intermediate paint, the side plates are adopted for blowing, the internal circulation mode is adopted, the wind speed on the surface of the container is improved, wind can be blown along the convex wave and the concave wave of the side plates of the container through the longitudinal opening of the wind box, the temperature in the drying room of the high-temperature drying area is ensured to be 60-80 ℃, and the wind speed on the surface of the container reaches 8-10 m/s.
Furthermore, a front wall downwave blowing facility is additionally arranged in the intermediate paint high-temperature drying area, so that the front wall downwave surface wind speed reaches 9-10 m/s. The thickness of the paint film and the drying time are effectively ensured.
Furthermore, the intermediate paint drying system is additionally provided with a fan for internal recycling, the air quantity is controlled through the frequency converter, the air speed and the temperature of the surface of the container are gradually increased, the evaporation of water on the surface of the intermediate paint is accelerated, and the drying efficiency of the intermediate paint is improved.
Furthermore, the primer drying system and the intermediate paint drying system are separately controlled by adopting 20-foot and 40-foot large and small boxes to realize energy conservation and emission reduction, so that the service efficiency of the burner and the fan is improved, and an air-proof curtain is arranged between the large box and the small box to ensure the most efficient heat exchange of the heat of the burner during the production of the small box.
Furthermore, the external paint drying system is additionally provided with a box external blowing system, so that the wind speed of the surface of the side plate of the container reaches 3-5 m/S, and the external paint on the surface of the container can be completely dried after leaving a drying room.
Further, the outside paint drying system is provided with the guide plate, the air in the pit is guided to the inner side plate of the box to be obliquely blown at 45 degrees, the air is circulated in the container, the air speed reaches 3.7-5.1 m/s, meanwhile, the circulating fan is added at a weaker station of the air speed to supply air, the air speed in the finish paint box is ensured, and the paint is well dried before finishing.
Compared with the prior art, the invention has the beneficial technical effects.
1. The primer, the intermediate paint and the finish paint drying room of the coating line are subjected to multiple equipment transformation, and the air quantity and the air speed inside and outside the box are regulated, so that the problems of poor drying conditions of the primer outside the box, the intermediate paint outside the box, the inner finish paint and the outer finish paint are effectively solved.
2. Meets the requirements of the quality and the productivity of the coating line drying process.
3. The large box drying system and the small box drying system are separated, so that the effects of energy conservation and emission reduction can be achieved.
4. The drying efficiency of coating promotes, reduces the input of tempering equipment, has also reduced the energy consumption simultaneously.
Drawings
FIG. 1: and (5) optimizing an air duct of the intermediate paint drying system.
Fig. 2: and a front wall down wave blowing facility of the intermediate paint drying system.
Fig. 3: and optimizing an outside paint air duct.
Detailed Description
The technical scheme of the present invention is explained with reference to fig. 1 to 3, and the present invention is explained in detail by specific embodiments.
The container is divided into a large container and a small container, the large container is 40 feet in size and the small container is 20 feet in size, the container coated with the water paint is sequentially put into a container drying room drying system for drying by evaporation, the drying measure comprises a primer drying system, an intermediate paint drying system and an external paint drying system, the primer drying system comprises a primer preheating station area, a primer leveling area, a primer surface drying area and a primer high-temperature drying area, and the intermediate paint drying system comprises an intermediate paint leveling station area, an intermediate paint surface drying station area and an intermediate paint high-temperature drying station area; the external paint drying system comprises an external paint leveling zone, an external paint low-temperature drying zone and an external paint high-temperature drying zone.
The primer drying system is provided with a plurality of direct-fired burners and fans, a first air channel is provided with one fan, the air channel pipeline is 12 m long, a second air channel is provided with two fans, each fan is connected with one section of air channel pipeline, the pipeline is 6 m, a third air channel is provided with two fans, each fan is connected with one section of air channel pipeline, the pipeline is 6 m, a fourth air channel is provided with two fans, each fan is connected with one section of air channel pipeline, the pipeline is 6 m, a fifth air channel is provided with two fans, each fan is connected with one section of air channel pipeline, the pipeline is 6 m, a sixth air channel is provided with one fan, and the air channel pipeline is 12 m long. The second air duct and the third air duct are both provided with direct-fired burners, and the setting direction of the air duct is parallel to the container. The middle of big case and small box position sets up the wind curtain, ensures the most efficient heat exchange of combustor heat when the small box produces, carries out preheating treatment to the container surface through the inner loop, the priming paint preheat and set up 6 wind channels on the station, wherein: the wind speed of the wind channel 1 is 2-2.98m/s, the temperature is 33-35 ℃, the wind speed of the wind channel 2 is 3.68-8.54m/s, the temperature is 35-39 ℃, the wind speed of the wind channel 3 is 4.52-8.32m/s, the temperature is 35-39 ℃, the wind speed of the wind channel 4 is 3.57-7.90m/s, the temperature is 32-33 ℃, the wind speed of the wind channel 5 is 3.52-9.30m/s, the temperature is 29-33 ℃, the wind speed of the wind channel 6 is 1.43-2.78m/s, and the temperature is 20-28 ℃. The primer was blown for 5.5 minutes in a primer drying system.
And (3) transporting the container to an intermediate paint drying system, and sequentially placing the container in a leveling area, a surface drying area and a high-temperature drying area. An inner circulating fan is arranged at the outermost side of the leveling zone, and the air duct is 12 meters; two fans are arranged in each of the second to sixth channels, and two sections of 6 m/root air channels are respectively arranged. The leveling area is provided with two stations, the wind speed reaches 2 meters/S, and the temperature is about 30 ℃; the surface dry area is 3 stations, the wind speed reaches 5-11 m/S, and the temperature is 50-60 ℃; the high temperature area is 3 stations, the wind speed reaches 8-10 m/S, and the temperature reaches 60-80 ℃. Through the process flow, the container is ensured to pass through the intermediate paint leveling zone for 2 minutes and 20 seconds, the surface drying zone for 3 minutes and 30 seconds, and the high temperature zone for 3 minutes and 30 seconds, so that the intermediate paint is ensured to be thoroughly dried.
The surface temperature of the container placed in the station of the surface drying area of the intermediate paint is 30 ℃, and the distance between the air port and the surface of the container is 200mm.
The high-temperature drying area is introduced with a high-flow high-power fan and burner equipment, a side plate is adopted for blowing, an internal circulation mode is adopted, the air speed of the surface of the container is improved, wind can be blown along convex waves and concave waves of the side plate of the container through a longitudinal opening of the bellows, the temperature in a drying room of the high-temperature drying area is ensured to be 50 ℃, and the air speed of the surface of the container reaches 8m/s.
The high-temperature drying area is additionally provided with a front wall downwave blowing facility, so that the front wall downwave surface wind speed reaches 9 m/s. The thickness of the paint film and the drying time are effectively ensured.
The intermediate paint drying system is additionally provided with a fan for internal recycling, the air quantity is controlled through a frequency converter, the air speed and the temperature of the surface of the container are gradually increased, the evaporation of water on the surface of the intermediate paint is accelerated, and the drying efficiency of the intermediate paint is improved.
The primer drying system and the intermediate paint drying system are separately controlled by switching between a large box and a small box, so that the service efficiency of the burner and a fan is improved, and an air-proof curtain is arranged between the large box and the small box to ensure the most efficient heat exchange of the burner during the production of the small box.
And (3) transporting the container to an external paint drying system, wherein the wind speed of the surface of a side plate of the container reaches 3 meters/S, so that the external paint on the surface of the container can be completely dried after leaving a drying room.
Outside paint drying system sets up the guide plate, carries out 45 degrees oblique blowing with pit internal wind direction incasement side board, carries out the inner loop in the container, and the wind speed has reached 3.7 meters/second, increases the circulation fan air supply at the weaker station of wind speed simultaneously, ensures the interior wind speed of finish paint case, guarantees that the paint is dry well before accomplishing.
The large container and the small container can be placed on the container placing station, and when the small container is placed according to actual demand setting, one fan can be independently started due to fan and pipeline setting, the use of the other fan is reduced, and the effects of energy conservation and emission reduction are achieved.

Claims (8)

1. The container drying room drying system is characterized by comprising a primer drying system, an intermediate paint drying system and an external paint drying system, wherein the primer drying system comprises a primer preheating station area, a primer leveling station area, a primer surface drying station area and a primer high-temperature drying station area, and the intermediate paint drying system comprises an intermediate paint leveling station area, an intermediate paint surface drying station area and an intermediate paint high-temperature drying station area; the external paint drying system comprises an external paint leveling station area, an external paint low-temperature drying station area and an external paint high-temperature drying station area;
the primer preheating station is provided with a plurality of direct-fired burners and fans, the inner circulation is used for carrying out preheating treatment on the surface of a container, the primer preheating station is provided with 6 air channels, and the primer preheating station is provided with: the wind speed of the wind channel 1 is 2-2.98m/s, the temperature is 33-35 ℃, the wind speed of the wind channel 2 is 3.68-8.54m/s, the temperature is 35-39 ℃, the wind speed of the wind channel 3 is 4.52-8.32m/s, the temperature is 35-39 ℃, the wind speed of the wind channel 4 is 3.57-7.90m/s, the temperature is 32-33 ℃, the wind speed of the wind channel 5 is 3.52-9.30m/s, the temperature is 29-33 ℃, the wind speed of the wind channel 6 is 1.43-2.78m/s, and the temperature is 20-28 ℃.
The intermediate paint drying system heats and dries the surface of a container through a fan and internal circulation of a burner, the surface temperature of the container placed at a station of a leveling zone of the intermediate paint is 20-40 ℃, the distance between a set air opening and the surface of the container is 800mm, the surface air speed of the container reaches 1m/s-2m/s, an internal circulation fan is arranged at the outermost side of the leveling zone, and an air duct is 12 m; two fans are arranged in each of the second to sixth channels, and two sections of 6 m/root air channels are respectively arranged; the leveling area is provided with two stations, the wind speed reaches 2 meters/S, and the temperature is about 30 ℃; the surface dry area is 3 stations, the wind speed reaches 5-11 m/S, and the temperature is 50-60 ℃; the high temperature area is 3 stations, the wind speed reaches 8-10 m/S, and the temperature reaches 60-80 ℃.
2. A container drying system according to claim 1, wherein the surface temperature of the container placed at the station of the intermediate paint surface drying zone is 50-60 ℃, and the distance between the air inlet and the surface of the container is 200mm.
3. The drying system of the container drying room according to claim 1, wherein the high-temperature drying area of the intermediate paint is introduced with a high-flow high-power fan and burner equipment, side plates are adopted for blowing, the air speed of the surface of the container is increased in an internal circulation mode, the air can blow along the convex wave and the concave wave of the side plates of the container through the longitudinal opening of the air box, the temperature in the drying room of the high-temperature drying area is ensured to be 60-80 ℃, and the air speed of the surface of the container is 8-10 m/s.
4. The container drying room drying system according to claim 1, wherein a front wall downwave blowing facility is additionally arranged in the intermediate paint high-temperature drying area, so that the front wall downwave surface wind speed reaches 9-10 m/s, and the thickness and the drying time of a paint film are effectively ensured.
5. The drying system of the container drying room according to claim 1, wherein the intermediate paint drying system is additionally provided with a fan for internal recycling, the air quantity is controlled through a frequency converter, the air speed and the temperature of the surface of the container are gradually increased, the evaporation of water on the surface of the intermediate paint is quickened, and the drying efficiency of the intermediate paint is improved.
6. The container drying room drying system according to claim 1, wherein the primer drying system and the intermediate paint drying system are controlled separately by switching large and small boxes of 20 feet and 40 feet, so that the functions of energy conservation and emission reduction are achieved, the use efficiency of a burner and a fan is improved, an air-proof curtain is arranged between large boxes and small boxes, and the highest efficiency of the heat of the burner during the production of the small boxes is ensured.
7. The drying system of the container drying room according to claim 1, wherein the external paint drying system is additionally provided with an external blowing system, so that the wind speed of the surface of the side plate of the container reaches 3-5 m/S, and the external paint on the surface of the container can be completely dried after leaving the drying room.
8. The container drying room drying system according to claim 1, wherein the outside paint drying system is provided with a guide plate, the air in the pit is guided to the inner side plate of the container to be obliquely blown at 45 degrees, the air is circulated in the container, the air speed reaches 3.7-5.1 m/s, meanwhile, the circulating fan is added at a station with weaker air speed to supply air, the air speed in the top paint container is ensured, and the good drying of the paint before finishing is ensured.
CN202210959755.9A 2022-08-11 2022-08-11 Container drying room drying system Active CN115265165B (en)

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Application Number Priority Date Filing Date Title
CN202210959755.9A CN115265165B (en) 2022-08-11 2022-08-11 Container drying room drying system

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Application Number Priority Date Filing Date Title
CN202210959755.9A CN115265165B (en) 2022-08-11 2022-08-11 Container drying room drying system

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CN115265165B true CN115265165B (en) 2023-09-05

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004036908A (en) * 2002-06-28 2004-02-05 Nissan Motor Co Ltd Baking finish drying furnace
CN101972726A (en) * 2010-10-21 2011-02-16 中煤邯郸煤矿机械有限责任公司 Hydraulic cylinder surface shot blasting, paint spraying and drying system and shot blasting, paint spraying and drying process thereof
CN102335648A (en) * 2010-07-16 2012-02-01 威士伯采购公司 System and method for drying five-sided containers
JP2012093036A (en) * 2010-10-27 2012-05-17 Toyota Motor Corp Drum type dryer
CN203484324U (en) * 2013-09-30 2014-03-19 胜狮货柜管理(上海)有限公司 Container inner wall drying device, drying device and drying room
CN105170387A (en) * 2015-09-25 2015-12-23 谭健民 Multithreading circular furniture painting production line
CN109423683A (en) * 2017-08-30 2019-03-05 广东新会中集特种运输设备有限公司 The finishing system of container and the coating process of container
CN111250375A (en) * 2020-02-27 2020-06-09 中国铁建重工集团股份有限公司 Water-based paint coating process for thick steel plate

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20090155469A1 (en) * 2007-12-18 2009-06-18 Plastech Engineered Products, Inc. Waterless, low volatile organic compound and carbon dioxide emission, modular paint system and method of performing the same

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004036908A (en) * 2002-06-28 2004-02-05 Nissan Motor Co Ltd Baking finish drying furnace
CN102335648A (en) * 2010-07-16 2012-02-01 威士伯采购公司 System and method for drying five-sided containers
CN101972726A (en) * 2010-10-21 2011-02-16 中煤邯郸煤矿机械有限责任公司 Hydraulic cylinder surface shot blasting, paint spraying and drying system and shot blasting, paint spraying and drying process thereof
JP2012093036A (en) * 2010-10-27 2012-05-17 Toyota Motor Corp Drum type dryer
CN203484324U (en) * 2013-09-30 2014-03-19 胜狮货柜管理(上海)有限公司 Container inner wall drying device, drying device and drying room
CN105170387A (en) * 2015-09-25 2015-12-23 谭健民 Multithreading circular furniture painting production line
CN109423683A (en) * 2017-08-30 2019-03-05 广东新会中集特种运输设备有限公司 The finishing system of container and the coating process of container
CN111250375A (en) * 2020-02-27 2020-06-09 中国铁建重工集团股份有限公司 Water-based paint coating process for thick steel plate

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