WO2016019681A1 - Full fresh air printing dryer - Google Patents

Full fresh air printing dryer Download PDF

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Publication number
WO2016019681A1
WO2016019681A1 PCT/CN2014/094469 CN2014094469W WO2016019681A1 WO 2016019681 A1 WO2016019681 A1 WO 2016019681A1 CN 2014094469 W CN2014094469 W CN 2014094469W WO 2016019681 A1 WO2016019681 A1 WO 2016019681A1
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Prior art keywords
heat exchanger
heat
fresh air
air
drying
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PCT/CN2014/094469
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French (fr)
Chinese (zh)
Inventor
向光富
高翔
刘远辉
Original Assignee
广东芬尼克兹节能设备有限公司
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Publication of WO2016019681A1 publication Critical patent/WO2016019681A1/en

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41F—PRINTING MACHINES OR PRESSES
    • B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
    • B41F23/04—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by heat drying, by cooling, by applying powders
    • Y—GENERAL 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
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/10—Greenhouse 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

Definitions

  • the present invention relates to a drying apparatus, and more particularly to a printing dryer.
  • the drying principle of the traditional coating machine, laminating machine, printing machine, roller coating line and gluing machine and the similar processing equipment is that the fresh air enters the drying equipment to dry the articles after heating up by the heat exchanger, and then directly The high-temperature exhaust gas generated after drying is discharged, and because the high-temperature exhaust gas also contains a large amount of heat, it is directly discharged, resulting in waste of energy.
  • the present invention provides a novel wind printing dryer capable of improving the drying speed and improving energy utilization.
  • a novel wind printing and drying machine comprises a drying chamber and an air inlet and an air outlet disposed on the drying chamber, and the drying chamber is provided with a compressor, a first heat exchanger, a throttling device and a a refrigerant circulation passage formed by connecting two heat exchangers in series, the first heat exchanger is provided with a first fan that guides the air inlet, and the first heat exchanger is connected with an air inlet duct for introducing air to the first fan.
  • An exhaust air duct is connected between the second heat exchanger and the air outlet, and a sensible heat exchanger for heat transfer between each other is provided between the air inlet duct and the air exhaust duct.
  • a second fan for dissipating heat is disposed at the second heat exchanger.
  • the throttle device is a throttle valve.
  • the fresh air enters the sensible heat exchanger through the fresh air passage to exchange heat with the exhaust air duct that transmits the high-temperature exhaust gas to absorb the heat energy, and then passes through the first heat exchanger to enter the drying chamber for drying.
  • the operation realizes the first heat recovery of the high-temperature exhaust gas, and at the same time, the high-temperature exhaust gas discharged from the exhaust air passage passes through the second heat exchanger to realize the second heat recovery, thereby achieving more full utilization of the heat energy, and
  • the perfect combination of a new air system and a heat recovery system makes the organic solvent on the dried articles easy to volatilize, and the organic solvent does not form a squeeze, thereby increasing the drying speed.
  • FIG. 1 is a schematic view showing the overall structure of an embodiment of the present invention.
  • the present invention is a novel wind printing and drying machine, comprising a drying chamber 1 and an air inlet 11 and an air outlet 12 disposed on the drying chamber 1.
  • the drying chamber 1 is externally compressed.
  • the machine 2, the first heat exchanger 3, the throttle device 4 and the second heat exchanger 5 are connected in series to form a refrigerant circulation passage, and the first heat exchanger 3 is provided with a first fan 31 for guiding the air inlet 11 and the first
  • the heat exchanger 3 is connected to the inlet air duct 32 for introducing air to the first fan 31, and the air outlet duct 51 is connected between the second heat exchanger 5 and the air outlet 12, and the air inlet duct 32 and the exhaust air duct are connected.
  • the channels 51 are provided with sensible heat exchangers 6 for heat transfer to each other.
  • the fresh air of the present invention enters the sensible heat exchanger 6 through the fresh air passage 32 to exchange heat with the exhaust air passage 51 that transmits the high-temperature exhaust gas to absorb the heat energy, and then passes through the first heat exchanger 3 to enter the drying chamber 1 for heating.
  • the drying operation realizes the first heat recovery of the high-temperature exhaust gas, and at the same time, the high-temperature exhaust gas discharged from the exhaust air passage 51 is subjected to the second heat recovery through the second heat exchanger 5, thereby achieving more complete heat energy.
  • the use of, and the perfect combination of the new wind system and the heat recovery system the organic solvent on the dried articles is easily volatilized, and the organic solvent does not form a squeeze, thereby increasing the drying speed.
  • the second heat exchanger 5 is provided with a second fan 52 for heat dissipation.
  • the throttle device 4 is a throttle valve.
  • the compressor 2 of the new wind printing and drying system discharges high-temperature and high-pressure refrigerant gas, flows into the first heat exchanger 3 for condensation, and the refrigerant transfers heat to the surrounding air to become a high-pressure low-temperature liquid.
  • the high-pressure low-temperature liquid flows into the throttling device 4 to reduce the low-temperature low-pressure refrigerant liquid, and the low-temperature low-pressure refrigerant liquid enters the second heat exchanger 5 to evaporate, and evaporates to become a low-temperature low-pressure refrigerant gas.
  • a cycle of the fluorine path is formed.
  • the first heat exchanger 3 dissipates heat to the surrounding air. After the temperature of the air rises, it is sucked by the first fan 31 on the rear side of the first heat exchanger 3, and the first fan 31 takes the high-temperature air from the air inlet 11 The hot air of high temperature is blown into the interior of the drying chamber 1 to dry the articles.
  • the high-temperature exhaust gas generated after drying the articles is discharged from the air outlet 12 through the exhaust air passage 51.
  • the inside of the sensible heat exchanger 6 and the fresh air entering the sensible heat exchanger 6 through the inlet air duct 32 exchange heat, and the high-temperature exhaust gas discharged from the drying chamber 1 transfers heat to the fresh air, and the fresh air absorbs the heat and passes through
  • the inlet duct 32 enters the first heat exchanger 3, is then sucked by the first fan 31, and is delivered to the inside of the drying chamber 1.
  • the heat contained in the high-temperature exhaust gas discharged from the drying chamber 1 is fully utilized, instead of being wasted to the outside, which makes the drying system energy-saving and efficient.
  • the exhaust gas after heat exchange with the fresh air is still containing heat.
  • this part of the exhaust gas is introduced into the second heat exchanger 5 through the exhaust air duct 51, and the heat is supplied to the second heat exchanger 5 to be evaporated.
  • the low-temperature exhaust gas is directly discharged through the second fan 52.
  • the heat of the exhaust gas after heat exchange is reused, which can greatly improve the efficiency of the unit and make the energy saving better.
  • the sensible heat exchanger 6 used in the system is simply processed by a common fin heat exchanger, and the processing process is simple and the cost is low, so that the cost of the drying equipment is not increased.

Abstract

A fresh air printing dryer is provided. The fresh air enters a sensible heat exchanger (6) through a fresh air flue (32), and exchanges heat with an air exhaust flue (51) for transmitting high-temperature waste gas to absorb heat energy. Then, the fresh air is heated by a first heat exchanger (3) and enters a drying cavity (1) to carry out a drying operation, achieving a heat recovery of the high-temperature waste gas for the first time. Meanwhile, the high-temperature waste gas discharged from the air exhaust flue after the heat exchange passes through a second heat exchanger (5), achieving a heat recovery for the second time and utilizing the heat energy more sufficiently. The dryer combines the fresh air system and the heat recovery system and thus makes organic solvent on the dried object be volatilized easily, therefore improving the drying speed.

Description

一种全新风印刷烘干机A new type of wind printing dryer 技术领域Technical field
本发明涉及一种烘干装置，特别是涉及一种印刷烘干机。The present invention relates to a drying apparatus, and more particularly to a printing dryer.
背景技术Background technique
传统的涂布机、复合机、印刷机、滚涂线和上胶机等类似加工设备中的烘干设备的工作原理是新风经过换热器升温后进入烘干设备内部烘干物品，然后直接将烘干后产生的高温废气排掉，由于高温废气中还蕴含大量热量，直接排掉，造成了能源浪费。The drying principle of the traditional coating machine, laminating machine, printing machine, roller coating line and gluing machine and the similar processing equipment is that the fresh air enters the drying equipment to dry the articles after heating up by the heat exchanger, and then directly The high-temperature exhaust gas generated after drying is discharged, and because the high-temperature exhaust gas also contains a large amount of heat, it is directly discharged, resulting in waste of energy.
为了解决以上问题，某些厂家提出了在烘干设备中增加显热换热器来达到对高温废气中的热量进行更充分利用的效果。这种方案虽然解决了能源浪费的问题，提高了机组效率，但是由于其为闭式循环系统，被烘干物品上的有机溶剂不容易挥发，从而容易导致有机溶剂积压，减慢烘干速度。同时，采用的显热换热器需要开模制作，其制作工艺复杂，成本高，从而也提高了烘干设备的成本。In order to solve the above problems, some manufacturers have proposed to increase the sensible heat exchanger in the drying equipment to achieve the full utilization of the heat in the high temperature exhaust gas. Although this solution solves the problem of energy waste and improves the efficiency of the unit, since it is a closed circulation system, the organic solvent on the dried articles is not easily volatilized, which tends to cause backlog of organic solvents and slow down the drying speed. At the same time, the sensible heat exchanger used needs to be opened, and the manufacturing process is complicated and the cost is high, thereby increasing the cost of the drying equipment.
发明内容Summary of the invention
为解决上述问题，本发明提供一种可提升烘干速度且能提高能源利用率的全新风印刷烘干机。In order to solve the above problems, the present invention provides a novel wind printing dryer capable of improving the drying speed and improving energy utilization.
本发明解决其技术问题所采用的技术方案是：The technical solution adopted by the present invention to solve the technical problem thereof is:
一种全新风印刷烘干机，包括烘干腔体及设置于烘干腔体上的进风口和出风口，烘干腔体外设有通过压缩机、第一换热器、节流装置和第二换热器串联成的冷媒循环通路，第一换热器外设有导向进风口的第一风机，与第一换热器相连设有向第一风机导入空气的进风风道， 第二换热器与出风口间连接有排风风道，进风风道与排风风道间设有用于彼此热传递的显热换热器。A novel wind printing and drying machine comprises a drying chamber and an air inlet and an air outlet disposed on the drying chamber, and the drying chamber is provided with a compressor, a first heat exchanger, a throttling device and a a refrigerant circulation passage formed by connecting two heat exchangers in series, the first heat exchanger is provided with a first fan that guides the air inlet, and the first heat exchanger is connected with an air inlet duct for introducing air to the first fan. An exhaust air duct is connected between the second heat exchanger and the air outlet, and a sensible heat exchanger for heat transfer between each other is provided between the air inlet duct and the air exhaust duct.
进一步作为本发明技术方案的改进，第二换热器处设有用于散热的第二风机。Further, as an improvement of the technical solution of the present invention, a second fan for dissipating heat is disposed at the second heat exchanger.
进一步作为本发明技术方案的改进，节流装置为节流阀。Further as an improvement of the technical solution of the present invention, the throttle device is a throttle valve.
本发明的有益效果：新风通过新风通道进入显热换热器中与传递高温废气的排风风道换热以吸收热能，然后再经过第一换热器加热后进入烘干腔体进行烘干作业，实现高温废气的第一次热回收，同时，排风风道排出的被换热后的高温废气经过第二换热器实现第二次热回收，达到对热能更为充分的利用，而且采用全新风系统与热回收系统的完美结合，使得烘干物品上的有机溶剂很容易挥发，有机溶剂不会形成挤压，从而提升烘干速度。The beneficial effects of the invention: the fresh air enters the sensible heat exchanger through the fresh air passage to exchange heat with the exhaust air duct that transmits the high-temperature exhaust gas to absorb the heat energy, and then passes through the first heat exchanger to enter the drying chamber for drying. The operation realizes the first heat recovery of the high-temperature exhaust gas, and at the same time, the high-temperature exhaust gas discharged from the exhaust air passage passes through the second heat exchanger to realize the second heat recovery, thereby achieving more full utilization of the heat energy, and The perfect combination of a new air system and a heat recovery system makes the organic solvent on the dried articles easy to volatilize, and the organic solvent does not form a squeeze, thereby increasing the drying speed.
附图说明DRAWINGS
下面结合附图对本发明作进一步说明：The present invention will be further described below in conjunction with the accompanying drawings:
图1是本发明实施例整体结构示意图。1 is a schematic view showing the overall structure of an embodiment of the present invention.
具体实施方式detailed description
参照图1，本发明为一种全新风印刷烘干机，包括烘干腔体1及设置于烘干腔体1上的进风口11和出风口12，烘干腔体1外设有通过压缩机2、第一换热器3、节流装置4和第二换热器5串联成的冷媒循环通路，第一换热器3外设有导向进风口11的第一风机31，与第一换热器3相连设有向第一风机31导入空气的进风风道32，第二换热器5与出风口12间连接有排风风道51，进风风道32与排风风 道51间设有用于彼此热传递的显热换热器6。Referring to Figure 1, the present invention is a novel wind printing and drying machine, comprising a drying chamber 1 and an air inlet 11 and an air outlet 12 disposed on the drying chamber 1. The drying chamber 1 is externally compressed. The machine 2, the first heat exchanger 3, the throttle device 4 and the second heat exchanger 5 are connected in series to form a refrigerant circulation passage, and the first heat exchanger 3 is provided with a first fan 31 for guiding the air inlet 11 and the first The heat exchanger 3 is connected to the inlet air duct 32 for introducing air to the first fan 31, and the air outlet duct 51 is connected between the second heat exchanger 5 and the air outlet 12, and the air inlet duct 32 and the exhaust air duct are connected. The channels 51 are provided with sensible heat exchangers 6 for heat transfer to each other.
本发明的新风通过新风通道32进入显热换热器6中与传递高温废气的排风风道51换热以吸收热能，然后再经过第一换热器3加热后进入烘干腔体1进行烘干作业，实现高温废气的第一次热回收，同时，排风风道51排出的被换热后的高温废气经过第二换热器5实现第二次热回收，达到对热能更为充分的利用，而且采用全新风系统与热回收系统的完美结合，使得烘干物品上的有机溶剂很容易挥发，有机溶剂不会形成挤压，从而提升烘干速度。The fresh air of the present invention enters the sensible heat exchanger 6 through the fresh air passage 32 to exchange heat with the exhaust air passage 51 that transmits the high-temperature exhaust gas to absorb the heat energy, and then passes through the first heat exchanger 3 to enter the drying chamber 1 for heating. The drying operation realizes the first heat recovery of the high-temperature exhaust gas, and at the same time, the high-temperature exhaust gas discharged from the exhaust air passage 51 is subjected to the second heat recovery through the second heat exchanger 5, thereby achieving more complete heat energy. The use of, and the perfect combination of the new wind system and the heat recovery system, the organic solvent on the dried articles is easily volatilized, and the organic solvent does not form a squeeze, thereby increasing the drying speed.
作为本发明优选的实施方式，第二换热器5处设有用于散热的第二风机52。As a preferred embodiment of the present invention, the second heat exchanger 5 is provided with a second fan 52 for heat dissipation.
作为本发明优选的实施方式，节流装置4为节流阀。As a preferred embodiment of the invention, the throttle device 4 is a throttle valve.
此全新风印刷烘干机系统的压缩机2排出高温高压的制冷剂气体，流入第一换热器3进行冷凝，制冷剂把热量传递给周围空气后，变成高压低温的液体。高压低温的液体流入节流装置4进行降压后变为低温低压的制冷剂液体，低温低压的制冷剂液体再进入第二换热器5进行蒸发，蒸发后变为低温低压的制冷剂气体回到压缩机2，形成氟路的循环。The compressor 2 of the new wind printing and drying system discharges high-temperature and high-pressure refrigerant gas, flows into the first heat exchanger 3 for condensation, and the refrigerant transfers heat to the surrounding air to become a high-pressure low-temperature liquid. The high-pressure low-temperature liquid flows into the throttling device 4 to reduce the low-temperature low-pressure refrigerant liquid, and the low-temperature low-pressure refrigerant liquid enters the second heat exchanger 5 to evaporate, and evaporates to become a low-temperature low-pressure refrigerant gas. To the compressor 2, a cycle of the fluorine path is formed.
第一换热器3把热量散发到周围的空气中，空气的温度升高后，被第一换热器3后侧的第一风机31吸取，第一风机31将高温的空气从进风口11吹出，高温的热空气被输送入烘干腔体1内部，对物品进行烘干。The first heat exchanger 3 dissipates heat to the surrounding air. After the temperature of the air rises, it is sucked by the first fan 31 on the rear side of the first heat exchanger 3, and the first fan 31 takes the high-temperature air from the air inlet 11 The hot air of high temperature is blown into the interior of the drying chamber 1 to dry the articles.
烘干物品后产生的高温废气从出风口12排出，通过排风风道51 进入显热换热器6内部与通过进风风道32进入显热换热器6内部的新风进行换热，烘干腔体1排出的高温废气把热量传递给新风，新风吸取热量后，通过进风风道32进入第一换热器3，然后被第一风机31吸取，并被输送到烘干腔体1内部。烘干腔体1内排出的高温废气所蕴含的热量得到充分利用，而不是被白白的排到室外浪费掉，使得该烘干系统节能高效。The high-temperature exhaust gas generated after drying the articles is discharged from the air outlet 12 through the exhaust air passage 51. The inside of the sensible heat exchanger 6 and the fresh air entering the sensible heat exchanger 6 through the inlet air duct 32 exchange heat, and the high-temperature exhaust gas discharged from the drying chamber 1 transfers heat to the fresh air, and the fresh air absorbs the heat and passes through The inlet duct 32 enters the first heat exchanger 3, is then sucked by the first fan 31, and is delivered to the inside of the drying chamber 1. The heat contained in the high-temperature exhaust gas discharged from the drying chamber 1 is fully utilized, instead of being wasted to the outside, which makes the drying system energy-saving and efficient.
与新风热交换后的废气还是蕴含热量的，此时，将这部分废气通过排风风道51引入到第二换热器5内部，为第二换热器5蒸发提供热量，被换热后的低温废气直接通过第二风机52排出，这里对换热后的废气热量进行了再次利用，可大大提升了机组的效率，使得节能性更好。The exhaust gas after heat exchange with the fresh air is still containing heat. At this time, this part of the exhaust gas is introduced into the second heat exchanger 5 through the exhaust air duct 51, and the heat is supplied to the second heat exchanger 5 to be evaporated. The low-temperature exhaust gas is directly discharged through the second fan 52. Here, the heat of the exhaust gas after heat exchange is reused, which can greatly improve the efficiency of the unit and make the energy saving better.
系统采用的显热换热器6为普通的翅片换热器简单加工而成，加工工艺简单，成本低，从而不会提升烘干设备的成本。The sensible heat exchanger 6 used in the system is simply processed by a common fin heat exchanger, and the processing process is simple and the cost is low, so that the cost of the drying equipment is not increased.
当然，本发明创造并不局限于上述实施方式，熟悉本领域的技术人员在不违背本发明精神的前提下还可作出等同变形或替换，这些等同的变型或替换均包含在本申请权利要求所限定的范围内。 The invention is of course not limited to the embodiments described above, and equivalent variations or substitutions may be made by those skilled in the art without departing from the spirit of the invention, and such equivalents or alternatives are included in the claims of the present application. Within the limits.

Claims (3)

  1. 一种全新风印刷烘干机，其特征在于：包括烘干腔体(1)及设置于所述烘干腔体(1)上的进风口(11)和出风口(12)，所述烘干腔体(1)外设有通过压缩机(2)、第一换热器(3)、节流装置(4)和第二换热器(5)串联成的冷媒循环通路，所述第一换热器(3)外设有导向进风口(11)的第一风机(31)，与所述第一换热器(3)相连设有向第一风机(31)导入空气的进风风道(32)，所述第二换热器(5)与出风口(12)间连接有排风风道(51)，所述进风风道(32)与排风风道(51)间设有用于彼此热传递的显热换热器(6)。A novel wind printing and drying machine, comprising: a drying chamber (1) and an air inlet (11) and an air outlet (12) disposed on the drying chamber (1), the baking a refrigerant circulation passage formed by connecting a compressor (2), a first heat exchanger (3), a throttle device (4), and a second heat exchanger (5) in series is provided outside the dry cavity (1). a first fan (31) for guiding the air inlet (11) is disposed outside the heat exchanger (3), and the air inlet for introducing air to the first fan (31) is connected to the first heat exchanger (3). a duct (32), an exhaust duct (51) is connected between the second heat exchanger (5) and the air outlet (12), and the air inlet duct (32) and the exhaust duct (51) A sensible heat exchanger (6) for heat transfer to each other is provided.
  2. 根据权利要求1所述一种全新风印刷烘干机，其特征在于：所述第二换热器(5)处设有用于散热的第二风机(52)。A brand new wind printing dryer according to claim 1, characterized in that the second heat exchanger (5) is provided with a second fan (52) for dissipating heat.
  3. 根据权利要求1所述一种全新风印刷烘干机，其特征在于：所述节流装置(4)为节流阀。 A brand new wind printing dryer according to claim 1, characterized in that said throttle device (4) is a throttle valve.
PCT/CN2014/094469 2014-08-07 2014-12-22 Full fresh air printing dryer WO2016019681A1 (en)

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Application Number Priority Date Filing Date Title
CN201420444755.6 2014-08-07
CN201420444755.6U CN204020227U (en) 2014-08-07 2014-08-07 A kind of all-fresh air printing drier

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CN112297615A (en) * 2019-07-26 2021-02-02 杭州宏华数码科技股份有限公司 Spray printing medium drying device

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