CN102338557B - Tape casting machine drying oven with heat recovery function and drying method - Google Patents

Tape casting machine drying oven with heat recovery function and drying method Download PDF

Info

Publication number
CN102338557B
CN102338557B CN2011102364140A CN201110236414A CN102338557B CN 102338557 B CN102338557 B CN 102338557B CN 2011102364140 A CN2011102364140 A CN 2011102364140A CN 201110236414 A CN201110236414 A CN 201110236414A CN 102338557 B CN102338557 B CN 102338557B
Authority
CN
China
Prior art keywords
air
drying tunnel
fan
exhaust
air inlet
Prior art date
Legal status (The legal status 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 status listed.)
Expired - Fee Related
Application number
CN2011102364140A
Other languages
Chinese (zh)
Other versions
CN102338557A (en
Inventor
杨传民
藏润清
王心宇
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.)
Tianjin University of Commerce
Original Assignee
Tianjin University of Commerce
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.)
Filing date
Publication date
Application filed by Tianjin University of Commerce filed Critical Tianjin University of Commerce
Priority to CN2011102364140A priority Critical patent/CN102338557B/en
Publication of CN102338557A publication Critical patent/CN102338557A/en
Application granted granted Critical
Publication of CN102338557B publication Critical patent/CN102338557B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • 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

Landscapes

  • Drying Of Solid Materials (AREA)

Abstract

本发明公开了一种具有热能回收功能的流延机烘干箱及烘干方法，能够回收流延机烘干箱湿热风的热能，降低能耗，达到节能的目的。送风风机的出风口通过加热箱与干燥隧道的进风口连接，干燥隧道上的回风口通过回风通道与回风风机的进风口连接，回风风机的出风口与干燥隧道的进风口连接；干燥隧道的排风口通过排风通道与排风风机的进风口连接，排风风机的出风口一路通过第一风阀与送风风机的进风口连接，另一路通过第二风阀与热风回收换热器的排风进口连接，热风回收换热器的新风出口通过第三风阀与送风风机的进风口连接。该烘干箱通过排风风机将湿热风送到送风风机，将排出的湿热风直接送入干燥隧道内，回收了热风的热量，达到节能的目的。

Figure 201110236414

The invention discloses a tape casting machine drying box and a drying method with heat energy recovery function, which can recover the heat energy of the hot and humid air in the tape casting machine drying box, reduce energy consumption and achieve the purpose of energy saving. The air outlet of the air supply fan is connected to the air inlet of the drying tunnel through the heating box, the return air outlet on the drying tunnel is connected to the air inlet of the return air fan through the air return channel, and the air outlet of the return air fan is connected to the air inlet of the drying tunnel; The air outlet of the drying tunnel is connected to the air inlet of the exhaust fan through the exhaust channel, the air outlet of the exhaust fan is connected to the air inlet of the air supply fan through the first air valve, and the other way is recycled to the hot air through the second air valve The exhaust air inlet of the heat exchanger is connected, and the fresh air outlet of the hot air recovery heat exchanger is connected with the air inlet of the air supply fan through the third air valve. The drying box sends the hot and humid air to the air supply fan through the exhaust fan, and sends the discharged hot and humid air directly into the drying tunnel to recover the heat of the hot air and achieve the purpose of energy saving.

Figure 201110236414

Description

具有热能回收功能的流延机烘干箱及烘干方法Tape casting machine drying box with heat energy recovery function and drying method

技术领域technical field

本发明涉及一种具有热能回收功能的流延机烘干箱及烘干方法。The invention relates to a drying box of a tape casting machine and a drying method with the function of recovering heat energy.

背景技术Background technique

流延机流延后的流延膜进入烘干箱进行干燥。目前，流延机的烘干箱的干燥隧道上设置有进风口、排风口和回风口，送风风机通过加热箱与干燥隧道上的进风口连接，将新风加热后送到干燥隧道内，热风在干燥隧道内流动，一部分湿热风经过回风风机送到干燥隧道的进风口，实现热风循环，有利于流延膜的干燥；另一部分湿热风经排风口排出。经过排风口排出的湿热风温度较高，带有一定的热能，排放到空气中增加了烘干机的能耗，造成大量能源的浪费。The cast film cast by the cast machine enters the drying oven for drying. At present, the drying tunnel of the drying box of the tape casting machine is provided with an air inlet, an exhaust outlet and a return air outlet. The air supply fan is connected to the air inlet on the drying tunnel through the heating box, and the fresh air is heated and sent to the drying tunnel. The hot air flows in the drying tunnel, and a part of the hot and humid air is sent to the air inlet of the drying tunnel through the return air fan to realize the hot air circulation, which is beneficial to the drying of the cast film; the other part of the hot and humid air is discharged through the exhaust outlet. The hot and humid air discharged through the air outlet has a high temperature and has a certain amount of heat energy, which increases the energy consumption of the dryer and causes a lot of waste of energy.

发明内容Contents of the invention

本发明是为了克服现有技术中的不足之处，提供一种具有热能回收功能的流延机烘干箱及干燥方法，能够回收流延机烘干箱湿热风的热能，降低能耗，达到节能的目的。The present invention aims to overcome the deficiencies in the prior art, and provides a drying box of a tape casting machine and a drying method with a heat energy recovery function, which can recover the heat energy of the hot and humid air in the drying box of a casting machine, reduce energy consumption, and achieve The purpose of energy saving.

本发明通过下述技术方案实现：The present invention realizes through following technical scheme:

一种具有热能回收功能的流延机烘干箱，其特征在于，包括干燥隧道、送风风机、加热箱、排风风机、回风风机、热风回收换热器，所述干燥隧道上设置有进风口、排风口和回风口，送风风机的出风口通过加热箱与干燥隧道的进风口连接，干燥隧道上的回风口通过回风通道与回风风机的进风口连接，回风风机的出风口与干燥隧道的进风口连接；所述干燥隧道的排风口通过排风通道与排风风机的进风口连接，所述排风风机的出风口一路通过第一风阀与送风风机的进风口连接，另一路通过第二风阀与热风回收换热器的排风进口连接，所述热风回收换热器的新风出口通过第三风阀与送风风机的进风口连接。A tape casting machine drying box with heat energy recovery function is characterized in that it includes a drying tunnel, an air supply fan, a heating box, an exhaust fan, a return air fan, and a hot air recovery heat exchanger, and the drying tunnel is provided with Air inlet, exhaust outlet and return air outlet, the air outlet of the air supply fan is connected with the air inlet of the drying tunnel through the heating box, the return air outlet on the drying tunnel is connected with the air inlet of the return air fan through the return air channel, and the air return fan The air outlet is connected with the air inlet of the drying tunnel; the air outlet of the drying tunnel is connected with the air inlet of the exhaust fan through the exhaust channel, and the air outlet of the exhaust fan passes through the first air valve and the air supply fan all the way. The air inlet is connected, and the other is connected with the exhaust air inlet of the hot air recovery heat exchanger through the second air valve, and the fresh air outlet of the hot air recovery heat exchanger is connected with the air inlet of the air supply fan through the third air valve.

所述热风回收换热器排风出口和新风进口上分别安装有第四风阀和第五风阀。A fourth air valve and a fifth air valve are respectively installed on the exhaust air outlet and the fresh air inlet of the hot air recovery heat exchanger.

所述干燥隧道内安装有温度传感器和湿度传感器，所述温度传感器和湿度传感器分别与自动控制器的温湿度信号输入端连接，所述自动控制器的控制信号输出端分别与加热箱的加热控制端、送风风机、排风风机、回风风机、排风风机与送风风机之间的第一风阀、排风风机与热风回收换热器排风进口处的第二风阀、热风回收换热器新风出口处的第三风阀、热风回收换热器排风出口处的第四风阀、热风回收换热器新风进口处的第五风阀连接。A temperature sensor and a humidity sensor are installed in the drying tunnel, and the temperature sensor and the humidity sensor are respectively connected to the temperature and humidity signal input end of the automatic controller, and the control signal output end of the automatic controller is respectively connected to the heating control of the heating box. end, air supply fan, exhaust fan, return air fan, the first air valve between the exhaust fan and the supply air fan, the second air valve at the exhaust air inlet of the exhaust fan and the hot air recovery heat exchanger, and the hot air recovery The third air valve at the fresh air outlet of the heat exchanger, the fourth air valve at the exhaust air outlet of the hot air recovery heat exchanger, and the fifth air valve at the fresh air inlet of the hot air recovery heat exchanger are connected.

一种使用上述具有热能回收功能的流延机烘干箱实现流延膜烘干的方法，其特征在于，包括下述步骤：A method for drying cast film by using the above-mentioned cast machine drying box with heat energy recovery function, characterized in that it comprises the following steps:

（1）流延膜放置在干燥隧道内，当干燥隧道内的空气未达到设定温度和湿度时，排风出口和新风进口同时关闭，形成两条内循环通道：干燥隧道回风口→回风风机→干燥隧道进风口→干燥隧道→干燥隧道回风口形成一条内循环风道，干燥隧道排风口→排风风机→送风风机进风口→加热箱→干燥隧道进风口→干燥隧道→干燥隧道排风口形成另一条内循环风道；(1) The casting film is placed in the drying tunnel. When the air in the drying tunnel does not reach the set temperature and humidity, the exhaust outlet and the fresh air inlet are closed at the same time, forming two internal circulation channels: drying tunnel return air outlet → return air Fan→air inlet of drying tunnel→drying tunnel→air return outlet of drying tunnel forms an internal circulation air duct, exhaust outlet of drying tunnel→exhaust fan→air inlet of supply fan→heating box→air inlet of drying tunnel→drying tunnel→drying tunnel The air outlet forms another internal circulation air duct;

（2）当干燥隧道内的空气达到设定温度和湿度时，排风出口和新风进口同时打开，关闭排风风机与送风风机之间的第一风阀，高温高湿气体进入热风回收换热器，从新风进口进来的低温低湿新风经热风回收换热器与高温高湿气体进行热交换，之后通过送风风机和加热箱进入干燥隧道内加热流延膜，直到流延膜干燥达到要求。(2) When the air in the drying tunnel reaches the set temperature and humidity, the exhaust air outlet and the fresh air inlet are opened at the same time, and the first air valve between the exhaust fan and the air supply fan is closed, and the high-temperature and high-humidity gas enters the hot air recovery exchange Heater, the low-temperature and low-humidity fresh air coming in from the fresh air inlet passes through the hot air recovery heat exchanger to exchange heat with the high-temperature and high-humidity gas, and then enters the drying tunnel through the air supply fan and the heating box to heat the cast film until the cast film is dried to meet the requirements .

本发明具有下述技术效果：The present invention has following technical effect:

1、本发明的流延机烘干箱的排风口通过排风通道连接排风风机，通过排风风机将湿热风送到送风风机的进风口，将排出的湿热风直接送入干燥隧道内，形成封闭的热风内循环，既具有通风作用，又有恒温作用。由于无低温新风进入及热风的排出，并回收了热风的热量，避免了热能的浪费，达到节能的目的。1. The air outlet of the drying box of the tape casting machine of the present invention is connected to the exhaust fan through the exhaust channel, and the hot and humid air is sent to the air inlet of the air supply fan through the exhaust fan, and the hot and humid air discharged is directly sent into the drying tunnel Inside, a closed hot air internal circulation is formed, which not only has the function of ventilation, but also has the function of constant temperature. Since there is no entry of low-temperature fresh air and discharge of hot air, and the heat of the hot air is recovered, the waste of heat energy is avoided and the purpose of energy saving is achieved.

2、本发明的流延机烘干箱的排风口通过排风通道及排风风机与热风回收换热器连接，进入热风回收换热器的低温新风吸收排风热量后再通过送风风机进入加热箱，提高了进入加热箱内的新风温度，之后，加热后的新风再进入干燥隧道干燥流延膜，可以节约加热箱用于加热新风的能量，从而降低能耗，达到节能的目的。2. The exhaust outlet of the drying box of the tape casting machine of the present invention is connected to the hot air recovery heat exchanger through the exhaust channel and the exhaust fan, and the low-temperature fresh air entering the hot air recovery heat exchanger absorbs the heat of the exhaust air and then passes through the air supply fan Entering the heating box increases the temperature of the fresh air entering the heating box, and then the heated fresh air enters the drying tunnel to dry the cast film, which can save the energy used by the heating box to heat the fresh air, thereby reducing energy consumption and achieving the purpose of energy saving.

附图说明Description of drawings

图1为本发明具有热能回收功能的流延机烘干箱的示意图。Fig. 1 is a schematic diagram of a drying box of a tape casting machine with heat energy recovery function according to the present invention.

具体实施方式Detailed ways

以下结合附图和具体实施例对本发明进行详细说明。The present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

图1为本发明具有热能回收功能的流延机烘干箱的示意图，包括干燥隧道3、送风风机1、加热箱2、排风风机5、回风风机4、热风回收换热器6，所述干燥隧道3上设置有进风口、排风口和回风口，送风风机1的出风口通过加热箱2与干燥隧道3的进风口连接，干燥隧道3上的回风口通过回风通道与回风风机4的进风口连接，回风风机4的出风口与干燥隧道3的进风口连接。所述干燥隧道3的排风口通过排风通道与排风风机5的进风口连接，所述排风风机5的出风口一路通过第一风阀与送风风机1的进风口连接，另一路通过第二风阀与热风回收换热器的排风进口10连接，所述热风回收换热器6的新风出口9通过第三风阀与送风风机的进风口连接。Fig. 1 is the schematic diagram of the casting machine drying box with heat energy recovery function of the present invention, comprising drying tunnel 3, air supply fan 1, heating box 2, exhaust fan 5, return air fan 4, hot air recovery heat exchanger 6, The drying tunnel 3 is provided with an air inlet, an air outlet and a return air outlet, the air outlet of the blower fan 1 is connected with the air inlet of the drying tunnel 3 through the heating box 2, and the return air outlet on the drying tunnel 3 is connected with the air return passage through the air return passage. The air inlet of return air fan 4 is connected, and the air outlet of return air fan 4 is connected with the air inlet of drying tunnel 3 . The air outlet of the drying tunnel 3 is connected with the air inlet of the exhaust fan 5 through the air exhaust channel, and the air outlet of the exhaust fan 5 is connected with the air inlet of the air supply fan 1 through the first damper one way, and the other way is The second air valve is connected to the exhaust air inlet 10 of the hot air recovery heat exchanger, and the fresh air outlet 9 of the hot air recovery heat exchanger 6 is connected to the air inlet of the blower fan through the third air valve.

为了实现自动控制，热风回收换热器排风出口8和新风进口7上分别安装有第四风阀和第五风阀。所述干燥隧道内安装有温度传感器和湿度传感器，所述温度传感器和湿度传感器分别与自动控制器的温湿度信号输入端连接，所述自动控制器的控制信号输出端分别与加热箱的加热控制端、送风风机、排风风机、回风风机、排风风机与送风风机之间的第一风阀、排风风机与热风回收换热器排风进口处的第二风阀、热风回收换热器新风出口处第三风阀、热风回收换热器排风出口处的第四风阀、热风回收换热器新风进口处的第五风阀连接，实现自动控制。In order to realize automatic control, a fourth air valve and a fifth air valve are respectively installed on the exhaust air outlet 8 and the fresh air inlet 7 of the hot air recovery heat exchanger. A temperature sensor and a humidity sensor are installed in the drying tunnel, and the temperature sensor and the humidity sensor are respectively connected to the temperature and humidity signal input end of the automatic controller, and the control signal output end of the automatic controller is respectively connected to the heating control of the heating box. end, air supply fan, exhaust fan, return air fan, the first air valve between the exhaust fan and the supply air fan, the second air valve at the exhaust air inlet of the exhaust fan and the hot air recovery heat exchanger, and the hot air recovery The third air valve at the fresh air outlet of the heat exchanger, the fourth air valve at the exhaust air outlet of the hot air recovery heat exchanger, and the fifth air valve at the fresh air inlet of the hot air recovery heat exchanger are connected to realize automatic control.

本发明的具有热能回收功能的流延机烘干箱实现流延膜烘干的方法，包括下述步骤：流延膜放置在干燥隧道内，当干燥隧道内的空气未达到设定温度和湿度时，排风出口8和新风进口7同时关闭时，形成两条内循环通道：干燥隧道回风口→回风风机→干燥隧道进风口→干燥隧道→干燥隧道回风口形成内循环风道，仅起到通风作用。干燥隧道排风口→排风风机→送风风机进风口→加热箱→干燥隧道进风口→干燥隧道→干燥隧道排风口形成另一条内循环风道，当温度低于设定值时，加热箱工作使温度稳定在设定范围内，既有通风作用又有恒温作用。由于无低温新风（环境中空气）进入及热风的排出，加之箱体和管道的保温性能好，实现第一步节能。The casting machine drying box with heat energy recovery function of the present invention realizes the method for drying cast film, comprising the following steps: the cast film is placed in the drying tunnel, when the air in the drying tunnel does not reach the set temperature and humidity When the exhaust outlet 8 and the fresh air inlet 7 are closed at the same time, two internal circulation channels are formed: the return air outlet of the drying tunnel → the return air fan → the air inlet of the drying tunnel → the drying tunnel → the return air outlet of the drying tunnel to form an internal circulation air passage, which only starts to ventilation. Drying tunnel exhaust outlet→exhaust fan→supply fan air inlet→heating box→drying tunnel air inlet→drying tunnel→drying tunnel exhaust outlet forms another internal circulation air duct, when the temperature is lower than the set value, heating The box works to stabilize the temperature within the set range, which has both ventilation and constant temperature functions. Because there is no low-temperature fresh air (air in the environment) entering and hot air being discharged, and the insulation performance of the box and pipes is good, the first step of energy saving is realized.

当烘干箱内空气相对湿度和温度达到设定值时，烘干箱内空气的含水量已比较高，此时同时开启排风出口8上的第四风阀和新风进口7上的第五风阀，并关闭排风风机与送风风机之间的第一风阀。高温高湿气体进入热风回收换热器，从新风进口进来的低温低湿新风经热风回收换热器与高温高湿气体进行热交换，之后通过送风风机和加热箱进入干燥隧道内加热流延膜，直到流延膜干燥达到要求。即：室内环境空气→新风进口→热风回收换热器→新风出口→送风风机进风口→加热箱→干燥隧道进风口→干燥隧道排风口→排风风机→热风回收换热器排风进口→热风回收换热器→热风回收风机排风出口→室内环境空气。此时通过热风回收换热器，利用排风的热量将新风加热，回收了排风的部分热量，实现了第二步节能。When the relative humidity and temperature of the air in the drying box reach the set value, the moisture content of the air in the drying box is relatively high. At this time, the fourth air valve on the exhaust outlet 8 and the fifth air valve on the fresh air inlet 7 are opened Air valve, and close the first air valve between the exhaust fan and the air supply fan. The high-temperature and high-humidity gas enters the hot air recovery heat exchanger, and the low-temperature and low-humidity fresh air from the fresh air inlet passes through the hot air recovery heat exchanger to exchange heat with the high-temperature and high-humidity gas, and then enters the drying tunnel to heat the cast film through the air supply fan and the heating box , until the cast film is dry enough to meet the requirements. That is: indoor ambient air→fresh air inlet→hot air recovery heat exchanger→fresh air outlet→air inlet of supply fan→heating box→air inlet of drying tunnel→air exhaust outlet of drying tunnel→exhaust fan→hot air recovery heat exchanger exhaust inlet → Hot air recovery heat exchanger → Hot air recovery fan exhaust outlet → Indoor ambient air. At this time, through the hot air recovery heat exchanger, the heat of the exhaust air is used to heat the fresh air, and part of the heat of the exhaust air is recovered, realizing the second step of energy saving.

经过试验，本发明的技术方案改造后的烘干箱比改进前节能达到10-20%。Through testing, the drying oven after the technical scheme transformation of the present invention can save energy by 10-20% compared with the improvement before.

Claims (4)

1.一种具有热能回收功能的流延机烘干箱，其特征在于，包括干燥隧道、送风风机、加热箱、排风风机、回风风机、热风回收换热器，所述干燥隧道上设置有进风口、排风口和回风口，送风风机的出风口通过加热箱与干燥隧道的进风口连接，干燥隧道上的回风口通过回风通道与回风风机的进风口连接，回风风机的出风口与干燥隧道的进风口连接；所述干燥隧道的排风口通过排风通道与排风风机的进风口连接，所述排风风机的出风口一路通过第一风阀与送风风机的进风口连接，另一路通过第二风阀与热风回收换热器的排风进口连接，所述热风回收换热器的新风出口通过第三风阀与送风风机的进风口连接;排风出口和新风进口同时关闭时，形成两条内循环通道：干燥隧道回风口→回风风机→干燥隧道进风口→干燥隧道→干燥隧道回风口形成一条内循环风道，干燥隧道排风口→排风风机→送风风机进风口→加热箱→干燥隧道进风口→干燥隧道→干燥隧道排风口形成另一条内循环风道。1. a tape casting machine drying box with heat energy recovery function, is characterized in that, comprises drying tunnel, blower blower, heating box, exhaust blower blower, return air blower, hot blast recovery heat exchanger, on described drying tunnel There are air inlets, exhaust outlets and return air outlets. The air outlet of the air supply fan is connected to the air inlet of the drying tunnel through the heating box, and the return air outlet on the drying tunnel is connected to the air inlet of the return air fan through the return air channel. The air outlet of the fan is connected with the air inlet of the drying tunnel; the air outlet of the drying tunnel is connected with the air inlet of the exhaust fan through the exhaust channel, and the air outlet of the exhaust fan passes through the first air valve and the air supply all the way. The air inlet of the fan is connected, and the other is connected with the exhaust air inlet of the hot air recovery heat exchanger through the second air valve, and the fresh air outlet of the hot air recovery heat exchanger is connected with the air inlet of the air supply fan through the third air valve; When the air outlet and the fresh air inlet are closed at the same time, two internal circulation channels are formed: the air return port of the drying tunnel → the return air fan → the air inlet of the drying tunnel → the drying tunnel → the air return port of the drying tunnel forms an internal circulation air channel, and the air outlet of the drying tunnel → Exhaust fan→air inlet of supply fan→heating box→air inlet of drying tunnel→drying tunnel→air outlet of drying tunnel forms another internal circulation air duct. 2.根据权利要求1所述的具有热能回收功能的流延机烘干箱，其特征在于，所述热风回收换热器排风出口和新风进口上分别安装有第四风阀和第五风阀。2. The tape casting machine drying box with heat recovery function according to claim 1, characterized in that, the fourth air valve and the fifth air valve are respectively installed on the exhaust air outlet and the fresh air inlet of the hot air recovery heat exchanger. valve. 3.根据权利要求2所述的具有热能回收功能的流延机烘干箱，其特征在于，所述干燥隧道内安装有温度传感器和湿度传感器，所述温度传感器和湿度传感器分别与自动控制器的温湿度信号输入端连接，所述自动控制器的控制信号输出端分别与加热箱的加热控制端、送风风机、排风风机、回风风机、排风风机与送风风机之间的第一风阀、排风风机与热风回收换热器排风进口处的第二风阀、热风回收换热器新风出口处的第三风阀、热风回收换热器排风出口处的第四风阀、热风回收换热器新风进口处的第五风阀连接。3. The tape casting machine drying box with heat energy recovery function according to claim 2, characterized in that, a temperature sensor and a humidity sensor are installed in the drying tunnel, and the temperature sensor and the humidity sensor are connected with the automatic controller respectively The temperature and humidity signal input terminal of the automatic controller is connected with the control signal output terminal of the automatic controller respectively with the heating control terminal of the heating box, the air supply fan, the exhaust fan, the return air fan, the exhaust fan and the first air supply fan. One air valve, exhaust fan and the second air valve at the exhaust air inlet of the hot air recovery heat exchanger, the third air valve at the fresh air outlet of the hot air recovery heat exchanger, and the fourth air valve at the exhaust air outlet of the hot air recovery heat exchanger valve, and the fifth air valve at the fresh air inlet of the hot air recovery heat exchanger. 4.一种使用权利要求3所述具有热能回收功能的流延机烘干箱实现流延膜烘干的方法，其特征在于，包括下述步骤：4. A method of using the drying box of the casting machine with heat energy recovery function according to claim 3 to realize the drying of the casting film, characterized in that, comprising the steps of: （1）流延膜放置在干燥隧道内，当干燥隧道内的空气未达到设定温度和湿度时，排风出口和新风进口同时关闭，形成两条内循环通道：干燥隧道回风口→回风风机→干燥隧道进风口→干燥隧道→干燥隧道回风口形成一条内循环风道，干燥隧道排风口→排风风机→送风风机进风口→加热箱→干燥隧道进风口→干燥隧道→干燥隧道排风口形成另一条内循环风道；(1) The casting film is placed in the drying tunnel. When the air in the drying tunnel does not reach the set temperature and humidity, the exhaust outlet and the fresh air inlet are closed at the same time, forming two internal circulation channels: drying tunnel return air outlet → return air Fan→air inlet of drying tunnel→drying tunnel→air return outlet of drying tunnel forms an internal circulation air duct, exhaust outlet of drying tunnel→exhaust fan→air inlet of supply fan→heating box→air inlet of drying tunnel→drying tunnel→drying tunnel The air outlet forms another internal circulation air duct; （2）当干燥隧道内的空气达到设定温度和湿度时，排风出口和新风进口同时打开，关闭排风风机与送风风机之间的第一风阀，高温高湿气体进入热风回收换热器，从新风进口进来的低温低湿新风经热风回收换热器与高温高湿气体进行热交换，之后通过送风风机和加热箱进入干燥隧道内加热流延膜，直到流延膜干燥达到要求。(2) When the air in the drying tunnel reaches the set temperature and humidity, the exhaust air outlet and the fresh air inlet are opened at the same time, and the first air valve between the exhaust fan and the air supply fan is closed, and the high-temperature and high-humidity gas enters the hot air recovery exchange Heater, the low-temperature and low-humidity fresh air coming in from the fresh air inlet passes through the hot air recovery heat exchanger to exchange heat with the high-temperature and high-humidity gas, and then enters the drying tunnel through the air supply fan and the heating box to heat the cast film until the cast film is dried to meet the requirements .
CN2011102364140A 2011-08-18 2011-08-18 Tape casting machine drying oven with heat recovery function and drying method Expired - Fee Related CN102338557B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011102364140A CN102338557B (en) 2011-08-18 2011-08-18 Tape casting machine drying oven with heat recovery function and drying method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011102364140A CN102338557B (en) 2011-08-18 2011-08-18 Tape casting machine drying oven with heat recovery function and drying method

Publications (2)

Publication Number Publication Date
CN102338557A CN102338557A (en) 2012-02-01
CN102338557B true CN102338557B (en) 2013-09-25

Family

ID=45514411

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011102364140A Expired - Fee Related CN102338557B (en) 2011-08-18 2011-08-18 Tape casting machine drying oven with heat recovery function and drying method

Country Status (1)

Country Link
CN (1) CN102338557B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109774333A (en) * 2019-01-10 2019-05-21 安徽省阜阳市国泰彩印包装有限公司 A kind of color printing packaging curing method

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102673118B (en) * 2012-04-23 2015-01-07 东莞市永淦节能科技有限公司 High temperature heat pump energy saving system for printing machinery
CN103017501A (en) * 2012-12-10 2013-04-03 胡科 Wet object drying method and wet object drying device
CN103542711B (en) * 2013-11-01 2015-05-20 烟台珈群高效节能设备有限公司 Drying tunnel achieving reheating and pressurizing of circulating air
CN104397636A (en) * 2014-11-14 2015-03-11 天津市傲绿农副产品集团股份有限公司 Black garlic fermentating and drying device
CN106382810B (en) * 2016-11-09 2019-03-22 广东五星太阳能股份有限公司 Double-medium solar drying boiler system
CN108518954A (en) * 2018-05-08 2018-09-11 漯河市农业科学院 The dual temperature air-supply arrangement of peanut breeding full automatic drying machine
CN109539764A (en) * 2018-12-26 2019-03-29 苏州爱可姆机械有限公司 A kind of vulcanizing to fresh air system for material dryer
CN110440547A (en) * 2019-09-10 2019-11-12 北京乐普纳科技有限公司 Smart drying box
CN111895761B (en) * 2020-08-26 2024-08-23 安徽龙马自动化科技有限公司 Three-dimensional continuous automatic drying machine
CN113494846A (en) * 2021-08-02 2021-10-12 广东纽恩泰新能源科技发展有限公司 Directly-heated drying equipment
CN113932587A (en) * 2021-09-23 2022-01-14 淮阴工学院 Multifunctional heat pump drying device
CN118111202A (en) * 2024-03-29 2024-05-31 金石(天津)科技发展有限公司 A drying machine oven exhaust air recycling device
CN119879552A (en) * 2025-01-16 2025-04-25 南京航空航天大学 Curtain coating heat pump drying system and application method thereof

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2083410U (en) * 1990-07-12 1991-08-28 青岛海洋渔业公司水产品加工厂青渔水产食品有限公司 Electric heating circulate wind baking box
CN1884944A (en) * 2006-06-30 2006-12-27 江西省科学院食品工程创新中心 Heat pump and hot blast combined drying apparatus
CN1987313A (en) * 2005-12-23 2007-06-27 艾森曼设备有限及两合公司 Dryer
CN200975834Y (en) * 2006-11-29 2007-11-14 湖南省浏阳市择明热工器材有限公司 Low temperature drying system apparatus
CN201559281U (en) * 2009-12-23 2010-08-25 天津恒通时代电工材料科技有限公司 Ventilating system for casting machine
CN101907382A (en) * 2010-08-20 2010-12-08 昆明理工大学 Natural rubber drying system
CN201757572U (en) * 2010-06-25 2011-03-09 陈金章 Highly efficient drying device
CN202254719U (en) * 2011-08-18 2012-05-30 天津商业大学 Casting machine drying box with heat energy recovery function

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2083410U (en) * 1990-07-12 1991-08-28 青岛海洋渔业公司水产品加工厂青渔水产食品有限公司 Electric heating circulate wind baking box
CN1987313A (en) * 2005-12-23 2007-06-27 艾森曼设备有限及两合公司 Dryer
CN1884944A (en) * 2006-06-30 2006-12-27 江西省科学院食品工程创新中心 Heat pump and hot blast combined drying apparatus
CN200975834Y (en) * 2006-11-29 2007-11-14 湖南省浏阳市择明热工器材有限公司 Low temperature drying system apparatus
CN201559281U (en) * 2009-12-23 2010-08-25 天津恒通时代电工材料科技有限公司 Ventilating system for casting machine
CN201757572U (en) * 2010-06-25 2011-03-09 陈金章 Highly efficient drying device
CN101907382A (en) * 2010-08-20 2010-12-08 昆明理工大学 Natural rubber drying system
CN202254719U (en) * 2011-08-18 2012-05-30 天津商业大学 Casting machine drying box with heat energy recovery function

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109774333A (en) * 2019-01-10 2019-05-21 安徽省阜阳市国泰彩印包装有限公司 A kind of color printing packaging curing method

Also Published As

Publication number Publication date
CN102338557A (en) 2012-02-01

Similar Documents

Publication Publication Date Title
CN102338557B (en) Tape casting machine drying oven with heat recovery function and drying method
CN201700385U (en) Bulk curing barn dehumidifying airflow waste heat utilizing device
CN106152711A (en) Tower-type drying system and drying method thereof
CN206870189U (en) An energy-saving dehumidification drying system
CN206146123U (en) A heat pump drying system for secondary recovery of heat energy from dehumidification
CN201752623U (en) An energy-saving dehumidifier
CN111826186A (en) A system and method for treating tail gas of asphalt mixture thermal regeneration combined equipment
CN110860378A (en) Hot air blowing system for electric dust remover
CN202254719U (en) Casting machine drying box with heat energy recovery function
CN203234019U (en) Split type heat-recovering type heat pump barn used for tobacco baking
CN206146124U (en) A drying room for secondary utilization of heat energy from dehumidification
CN202184119U (en) Energy-saving tobacco curing device capable of recycling dehumidification waste heat of curing barn
CN202853261U (en) Chinese herbal medicine drying device
CN202750700U (en) Integrated flue-curing barn for removing damp and heat and recovering tobacco leaves
CN102334544B (en) Novel low-temperature grain dryer
CN205180341U (en) An intelligent energy-saving and dehumidification integrated flue-cured device that is easy to install
CN206146122U (en) A drying room with one-time utilization of moisture-discharging heat energy
CN211587067U (en) Hot air blowing system for electric dust remover
CN105361233A (en) An intelligent energy-saving and dehumidification integrated flue-cured device that is easy to install
CN202511597U (en) Hot air circulation drying device
CN101731731A (en) Method for reducing energy consumption for pneumatic drying of cut tobacco
CN204854294U (en) Hydrofuge heat recovery unit of taking a breath
CN110025034A (en) Energy saving dehumidification type tobacco leaf drying system
CN204047990U (en) Bulk curing barn High Temperature Moist Air waste-heat recovery device
CN208108764U (en) A kind of energy regenerating of foodstuff dryer with utilize device

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130925

Termination date: 20210818