WO2013170495A1 - 吹风装置及吹风装置的使用方法 - Google Patents

吹风装置及吹风装置的使用方法 Download PDF

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Publication number
WO2013170495A1
WO2013170495A1 PCT/CN2012/075979 CN2012075979W WO2013170495A1 WO 2013170495 A1 WO2013170495 A1 WO 2013170495A1 CN 2012075979 W CN2012075979 W CN 2012075979W WO 2013170495 A1 WO2013170495 A1 WO 2013170495A1
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WO
WIPO (PCT)
Prior art keywords
cavity
blowing device
liquid
slit
heat source
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.)
Ceased
Application number
PCT/CN2012/075979
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English (en)
French (fr)
Inventor
余少鑫
肖松
王赟
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.)
TCL China Star Optoelectronics Technology Co Ltd
Original Assignee
Shenzhen China Star Optoelectronics 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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Publication date
Application filed by Shenzhen China Star Optoelectronics Technology Co Ltd filed Critical Shenzhen China Star Optoelectronics Technology Co Ltd
Priority to US13/518,846 priority Critical patent/US20130306271A1/en
Publication of WO2013170495A1 publication Critical patent/WO2013170495A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B5/00Cleaning by methods involving the use of air flow or gas flow
    • B08B5/02Cleaning by the force of jets, e.g. blowing-out cavities
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05CAPPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C11/00Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
    • B05C11/10Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
    • B05C11/1042Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material provided with means for heating or cooling the liquid or other fluent material in the supplying means upstream of the applying apparatus
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B05SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05CAPPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C5/00Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work
    • B05C5/02Apparatus in which liquid or other fluent material is projected, poured or allowed to flow on to the surface of the work the liquid or other fluent material being discharged through an outlet orifice by pressure, e.g. from an outlet device in contact or almost in contact, with the work
    • B05C5/0254Coating heads with slot-shaped outlet
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00Arrangements for supplying or controlling air or other gases for drying solid materials or objects
    • F26B21/30Controlling, e.g. regulating, parameters of gas supply
    • F26B21/35Temperature; Pressure
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F26DRYING
    • F26BDRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
    • F26B21/00Arrangements for supplying or controlling air or other gases for drying solid materials or objects
    • F26B21/50Ducting arrangements from the source of air or other gases to the materials or objects being dried

Definitions

  • the present invention relates to the field of industrial drying, and more particularly to a method of using a blowing device and a blowing device.
  • Air Knife is a kind of blowing device that uses a high-pressure gas to blow off dust and moisture on the surface of the target to purify and dry the surface of the target.
  • the air knife includes an air inlet 11, a cavity 12, and an air outlet 13.
  • the working principle of the air knife is: conveying high-pressure dry clean air (CDA) through the air inlet 11 into the cavity 12 of the air knife CDA, and then taking the CDA from the slit of the air knife, that is, the air outlet 13 Blow out. Since the slit 4 is narrow, the pressure of the CDA becomes large, and the dust and moisture adhering to the surface of the target can be strongly removed.
  • CDA dry clean air
  • One of the applications of air knives is the dewatering drying of the cleaning machine in the thin film field effect transistor liquid crystal display industry after washing.
  • the water-drying process of the air knife is generally in a high-humidity environment, and the air knife is generally made of a metal material, and the surface temperature is low, so that the water vapor in the working environment is easily condensed into water droplets on the surface of the air knife. After the air knife removes water from the target, the condensed water droplets may re-drop on the surface of the target, seriously affecting the drying/water removal effect.
  • the technical problem to be solved by the present invention is to provide a method for using a blowing device and a blowing device, which can prevent the water vapor condensed on the surface of the air knife from dripping again to the target after drying, thereby ensuring the drying effect.
  • a technical solution adopted by the present invention is: providing a blowing device, the blowing device comprising a heat source, a first cavity, a second cavity and a third cavity; the first cavity is provided with an air inlet and The air outlet is a slit on one side of the first cavity; the second cavity and the third cavity are respectively located at two sides of the air outlet of the first cavity, wherein the first cavity and the second cavity are independent In the third cavity, and the second cavity and the third cavity are interconnected; the heat source is used to heat the second cavity and the third cavity.
  • the heat source is a liquid circulation heating system, including a pipe, a liquid in the pipe, and a heating unit that heats the liquid, and the second cavity and the third cavity are respectively part of the pipe.
  • the two sides of the air outlet of the first cavity are respectively a first side surface and a second side surface, and the first cavity body, the second cavity body and the third cavity body are integrally formed, and the first cavity body and the second cavity body share the same On one side, the first cavity shares a second side with the third cavity.
  • the liquid is deionized water.
  • the heat source includes a temperature control unit for monitoring the temperature of the liquid in the pipeline and controlling the heating of the heating unit to maintain the liquid in the pipeline between 80 and 100 degrees Celsius.
  • a technical solution adopted by the present invention is: providing a blowing device, the blowing device comprising a heat source, a first cavity, a second cavity and a third cavity; the first cavity is provided with an air inlet and The air outlet is a slit on one side of the first cavity; the second cavity and the third cavity are respectively located at two sides of the air outlet of the first cavity; the heat source is used for the second cavity and the third cavity Heat up.
  • the first cavity and the second cavity are respectively independent of the third cavity.
  • the heat source is a liquid circulation heating system, including a pipe, a liquid in the pipe, and a heating unit that heats the liquid, and the second cavity and the third cavity are respectively part of the pipe.
  • the two sides of the air outlet of the first cavity are respectively a first side surface and a second side surface, and the first cavity body, the second cavity body and the third cavity body are integrally formed, and the first cavity body and the second cavity body share the same On one side, the first cavity shares a second side with the third cavity.
  • the second cavity and the third cavity communicate with each other.
  • the liquid is deionized water.
  • the heat source includes a temperature control unit for monitoring the temperature of the liquid in the pipeline and controlling the heating of the heating unit to maintain the liquid in the pipeline between 80 and 100 degrees Celsius.
  • a technical solution adopted by the present invention is: Providing a method for using a blowing device, comprising: introducing a gas into a first cavity of a blowing device, and passing the introduced gas from the first cavity The slits on the body are ejected; while the gas is ejected from the slits in the first cavity, the portions of the first cavity on both sides of the slit are heated.
  • the step of heating the portions of the first cavity on both sides of the slit includes: passing through the second cavity and the third cavity disposed on the two sides of the slit of the first cavity The portion of the first cavity on both sides of the slit is heated by the circulating heated liquid.
  • the temperature of the heating liquid is between 80 and 100 degrees Celsius.
  • the present invention firstly adds a cavity to each side of the first cavity of the blowing device to store the gas: the second cavity and the third cavity, and then the second The cavity and the third cavity are heated to prevent condensation of water vapor on the surface of the blowing device, thereby avoiding the risk of the water droplets falling back to the target after drying, and ensuring the drying effect.
  • Figure 1 is a schematic cross-sectional view of a prior art wind knife
  • FIG. 2 is a schematic perspective view showing an embodiment of a blowing device of the present invention
  • FIG. 3 is a flow chart showing an embodiment of a method of using the air blowing device of the present invention.
  • FIG. 2 is a schematic perspective view of an embodiment of a blowing device of the present invention. As shown in FIG. 2, the blowing device comprises: a first cavity 21, a second cavity 22, a third cavity 23 and a heat source 24.
  • the heat source 24 is a liquid circulation heating system, including a pipe 241, a liquid 242 in the pipe 241, a heating unit 243 that heats the liquid 242, a temperature control unit 244, and a power pump 245, a second cavity 22, and a third cavity. 23 are part of the pipe 241, respectively.
  • the first cavity 21 is provided with an air inlet 211 and an air outlet 212, and the air outlet 212 is a slit of the first cavity 21 side.
  • the second cavity 22 and the third cavity 23 are respectively located on both sides of the air outlet 212 of the first cavity 21.
  • the first cavity 21 and the second cavity 22 are independent of the third cavity 23, respectively.
  • the two sides of the air outlet 212 of the first cavity 21 are respectively a first side (not labeled), a second side (not labeled), and the first cavity 21, the second cavity 22, and the third cavity 23
  • the first cavity 21 and the second cavity 22 share a first side surface, and the first cavity 21 and the third cavity 23 share a second side.
  • the heat source 24 is used to heat the second cavity 22 and the third cavity 23.
  • the second cavity 22 and the third cavity 23 communicate with each other.
  • the second cavity 22 and the third cavity 23 may also be heated using different heat sources, or may be independent of each other.
  • the liquid used by the heat source 24, that is, the liquid 242 in the pipe is deionized water (De-Ion Water, DIW) or any other suitable heat medium.
  • the temperature control unit 244 is configured to monitor the temperature of the liquid 242 in the conduit 241 and control the heating of the heating unit 243 to maintain the liquid 242 in the conduit 241 between 80 and 100 degrees Celsius, such as 90 degrees Celsius. .
  • the heat source 24 may not be provided with the pipe 241 and the liquid 242, but may be heated by directly contacting the second cavity 22 and the third cavity 23 by the heating unit 243.
  • the air blower will be described in detail below by taking the air knife as an example.
  • the present embodiment adds a heating function to the air knife to increase the temperature of the air knife surface and ensure the drying effect.
  • the specific implementation is:
  • a separate heat medium cavity is added to each of the left and right sides of the conventional air knife first cavity 21 structure: a second cavity 22 and a third cavity 23, a second cavity 22 and a
  • the three chambers 23 are used for the flow and heat exchange of the heat medium, i.e., the liquid 242 in the tubes.
  • DIW can be used for the heat medium.
  • a pipe 241, a heat medium, a heating unit 243, a temperature control unit 244, and a power pump 245 are added to make the second cavity 22 and the third cavity 23 as a part of the pipe 241, respectively.
  • the pipe 241, the heat medium, the heating unit 243, the second chamber 22, and the third chamber 23 together constitute a liquid circulation heating system.
  • the heat medium is heated by the action of the heating unit 243 and the temperature control unit 244, and the temperature is maintained between 80 and 100 degrees Celsius.
  • the heated heat medium is circulated through the second chamber 22 and the third chamber 23 by the power pump 245. Since the second cavity 22 and the third cavity 23 are respectively located on both sides of the first cavity 21, thermal energy in the heat medium is transferred to the outer surfaces of the second cavity 22 and the third cavity 23 by heat exchange.
  • the outer wall of the air knife keeps it at a higher temperature.
  • the water vapor is less likely to condense on the outer wall surface of the air knife, thereby avoiding the risk of the water droplets condensed on the surface of the air knife falling to the target after drying in the prior art, and reducing the process defect rate.
  • the temperature of the heat medium pumped into the second cavity 22 and the third cavity 23 is 90 ° C, and the temperature of the air knife surface will be close to 90 ° C of the heat medium, at such a high temperature, in the environment Moisture The child is unable to condense on the surface of the air knife.
  • the heat conduction process between the heat medium and the second cavity 22 and the third cavity 23 is as follows: It is assumed that the cavity size of the second cavity 22 and the third cavity 23 between the heat medium and the outside air is 2 m (length). X 0.1m (width) X 0.01m (thickness), the initial temperature of the outer wall of the air knife is consistent with the environment, about 20 °C, according to the heat transfer formula:
  • the CDA in the first cavity 21 is also heated, and the heated CDA has a relatively obvious drying effect on the target object (such as a glass substrate), and the target object can be enhanced.
  • the function of surface moisture In some industrial processes, after the air knife is dried, it is often accompanied by a baking process of the furnace. If the air knife having the structure of the invention is used, it will play a pre-baking function, and the production of a single product for the production line. Time (Tact time) will increase to some extent.
  • the amount of CDA can be reduced.
  • the improvement of the existing air knife in the embodiment can eliminate the risk of re-drip of the condensed water after the air knife is dried, and at the same time, heating the gas in the air knife chamber can not only enhance the water removal of the gas. The effect also saves gas usage.
  • FIG. 3 and FIG. 3 are schematic flowcharts of an embodiment of a method for using a blowing device according to the present invention, and the method includes the following steps:
  • Step 301 introducing a gas into the first cavity 21 of the blowing device, and ejecting the introduced gas from the slit on the first cavity 21; Step 302, while the gas is ejected from the slit on the first cavity 21, the portions of the first cavity 21 on both sides of the slit are heated.
  • the first cavity 21 is located in the slit by passing the circulating heating liquid 242 into the second cavity 22 and the third cavity 23 disposed on both side surfaces of the slit of the first cavity 21; The portions on both sides are heated while maintaining the temperature of the liquid 242 in the second chamber 22 and the third chamber 23 between 80 and 100 degrees Celsius.
  • the present invention first adds a cavity to each side of the first cavity 21 for storing gas in the blowing device: a second cavity 22 and a third cavity 23, and then a second cavity 22 and a third cavity
  • the body 23 is heated to prevent condensation of water vapor on the surface of the blowing device, thereby avoiding the risk of the water droplets dropping back to the target after drying, and ensuring the drying effect.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Drying Of Solid Materials (AREA)

Abstract

一种吹风装置及吹风装置的使用方法,所述吹风装置包括热源、第一腔体、第二腔体以及第三腔体;所述第一腔体设有进风口和出风口,所述出风口是第一腔体一侧的狭缝;所述第二腔体和第三腔体分别位于第一腔体的出风口的两侧;所述热源用于对第二腔体和第三腔体进行加热。所述热源是液体循环加热系统,包括管道、管道中的液体以及对液体进行加热的加热单元,所述第二腔体和第三腔体分别是管道的一部分。

Description

装置及吹风装置的使用方法
【技术领域】
本发明涉及工业干燥领域, 特别是涉及一种吹风装置及吹风装置的 使用方法。
【背景技术】
风刀 (Air Knife, AK)是一种利用快速高压的气体, 将目标物表面的 灰尘及水分等物质吹除,以达到净化、干燥目标物表面的一种吹风装置。 如图 1所示, 风刀包括进风口 11、 腔体 12和出风口 13。
风刀的工作原理是: 将高压的干燥清洁空气(Clean Dry Air, CDA ) 通过进风口 11输送到风刀 CDA的腔体 12中,然后再将 CDA从风刀的 狭缝, 即出风口 13中吹出。 由于狭缝 4艮窄, CDA的压力变大, 能强力 去除附着在目标物表面的灰尘和水分。 风刀的应用之一, 是薄膜场效应 晶体管液晶显示器行业中的洗净机洗净后的除水干燥。
目前, 风刀的除水干燥过程, 一般处于高湿的环境中, 加之风刀一 般由金属材料制成, 表面温度低, 因此使工作环境中的水汽容易在风刀 表面凝结成水滴。 在风刀对目标物除水干燥后, 凝结的水滴可能会重新 滴落在目标物表面, 严重影响干燥 /除水效果。
【发明内容】
本发明主要解决的技术问题是提供一种吹风装置及吹风装置的使 用方法, 能够避免风刀表面凝结的水汽重新滴落至干燥后的目标物, 保 证干燥效果。
为解决上述技术问题, 本发明采用的一个技术方案是: 提供一种吹 风装置, 吹风装置包括热源、 第一腔体、 第二腔体以及第三腔体; 第 一腔体设有进风口和出风口, 出风口是第一腔体一侧的狭缝; 第二腔体 和第三腔体分别位于第一腔体的出风口两侧, 其中, 第一腔体、 第二腔 体分别独立于第三腔体, 且第二腔体和第三腔体互通; 热源用于对第二 腔体和第三腔体进行加热。 其中, 热源是液体循环加热系统, 包括管道、 管道中的液体以及对 液体进行加热的加热单元, 第二腔体和第三腔体分别是管道的一部分。
其中, 第一腔体的出风口两侧表面分别为第一侧面、 第二侧面, 第 一腔体、 第二腔体和第三腔体一体成型, 第一腔体与第二腔体共用第一 侧面, 第一腔体与第三腔体共用第二侧面。
其中, 液体为去离子水。
其中, 热源包括温度控制单元, 用于对管道中的液体温度进行监测 并控制加热单元的加热, 使管道中的液体保持在 80~100摄氏度度之间。
为解决上述技术问题, 本发明采用的一个技术方案是: 提供一种吹 风装置, 吹风装置包括热源、 第一腔体、 第二腔体以及第三腔体; 第一 腔体设有进风口和出风口, 出风口是第一腔体一侧的狭缝; 第二腔体和 第三腔体分别位于第一腔体的出风口两侧; 热源用于对第二腔体和第三 腔体进行加热。
其中, 第一腔体、 第二腔体分别独立于第三腔体。
其中, 热源是液体循环加热系统, 包括管道、 管道中的液体以及对 液体进行加热的加热单元, 第二腔体和第三腔体分别是管道的一部分。
其中, 第一腔体的出风口两侧表面分别为第一侧面、 第二侧面, 第 一腔体、 第二腔体和第三腔体一体成型, 第一腔体与第二腔体共用第一 侧面, 第一腔体与第三腔体共用第二侧面。
其中, 第二腔体和第三腔体互通。
其中, 液体为去离子水。
其中, 热源包括温度控制单元, 用于对管道中的液体温度进行监测 并控制加热单元的加热, 使管道中的液体保持在 80~100摄氏度度之间。
为解决上述技术问题, 本发明采用的一个技术方案是: 提供一种吹 风装置的使用方法,使用方法包括:往吹风装置的第一腔体内通入气体, 并使通入的气体从第一腔体上的狭缝喷出; 在使气体从第一腔体上的狭 缝喷出的同时, 对第一腔体的位于狭缝两侧的部分进行加热。
其中, 对第一腔体的位于狭缝两侧的部分进行加热的步骤包括: 通 过往设置于第一腔体的位于狭缝两侧表面的第二腔体和第三腔体中通 入循环流动的加热液体而对第一腔体的位于狭缝两侧的部分进行加热。 其中, 所述加热液体的温度在 80~ 100摄氏度度之间。
本发明的有益效果是: 区别于现有技术的情况, 本发明首先在吹风 装置存储气体的第一腔体两侧各加入一个腔体: 第二腔体和第三腔体, 然后对第二腔体和第三腔体进行加热, 防止吹风装置表面的水汽凝结, 从而避免水滴重新滴落至干燥后的目标物的风险, 保证干燥效果。
【附图说明】
图 1是现有技术中风刀的剖面示意图;
图 2是本发明吹风装置一实施例的立体结构示意图;
图 3是本发明吹风装置的使用方法一实施例的流程示意图。
【具体实施方式】
下面结合附图和实施例对本发明进行详细说明。
图 2是本发明吹风装置一实施例的立体结构示意图, 如图 2所示, 吹风装置包括: 第一腔体 21、 第二腔体 22、 第三腔体 23及热源 24。
其中, 热源 24是液体循环加热系统, 包括管道 241、 管道 241中的 液体 242、 对液体 242进行加热的加热单元 243、 温度控制单元 244以 及动力泵 245 , 第二腔体 22和第三腔体 23分别是管道 241的一部分。
其中, 第一腔体 21设有进风口 211和出风口 212 , 出风口 212是第 一腔体 21—侧的狭缝。
如图所示, 第二腔体 22和第三腔体 23分别位于第一腔体 21的出 风口 212两侧。 且第一腔体 21、 第二腔体 22分别独立于第三腔体 23。 具体为,第一腔体 21的出风口 212两侧表面分别为第一侧面(未标示)、 第二侧面 (未标示), 第一腔体 21、 第二腔体 22和第三腔体 23—体成 型, 第一腔体 21与第二腔体 22共用第一侧面, 第一腔体 21与第三腔 体 23共用第二侧面。
热源 24用于对第二腔体 22和第三腔体 23进行加热。 其中, 第二 腔体 22和第三腔体 23互通。 在其它实施例中, 第二腔体 22和第三腔 体 23也可以使用不同的热源进行加热, 也可以各自独立而不互通。 其中,热源 24使用的液体,即管道中的液体 242为去离子水( De-Ion Water, DIW )或其他任何适用的热介质。 在热源 24加热过程中, 温度 控制单元 244用于对管道 241中的液体 242温度进行监测并控制加热单 元 243的加热, 使管道 241 中的液体 242保持在 80~100摄氏度之间, 比如 90摄氏度。
当然, 热源 24还可以不设管道 241和液体 242, 而是采用加热单元 243直接接触第二腔体 22和第三腔体 23而进行加热。
下面以风刀为例对吹风装置进行详细说明。
为了防止风刀在除湿过程中, 水汽在风刀表面的凝结, 本实施例在 风刀上增加加热功能, 以增加风刀表面的温度, 保证干燥效果。 具体实 施为:
继续参阅图 2, 在常规的风刀第一腔体 21结构的左右两侧, 各加入 一个独立的热介质腔体: 第二腔体 22和第三腔体 23 , 第二腔体 22和第 三腔体 23用于热介质、 即管道中的液体 242的流动和热交换。 一般情 况下, 热介质可选用 DIW。
另外增设管道 241、 热介质、 加热单元 243、 温度控制单元 244以 及动力泵 245 , 使第二腔体 22和第三腔体 23分别作为管道 241的一部 分。 管道 241、 热介质、 加热单元 243、 第二腔体 22和第三腔体 23一 起构成液体循环加热系统。
热介质通过加热单元 243 和温度控制单元 244 的作用对其进行加 热, 温度保持在 80~100摄氏度之间。 加热后的热介质经动力泵 245的 作用下, 循环流经第二腔体 22和第三腔体 23。 由于第二腔体 22和第三 腔体 23分别位于第一腔体 21的两侧, 通过热交换作用, 热介质中的热 能传递到第二腔体 22和第三腔体 23的外表面即风刀外壁, 使其维系较 高的温度。 这样在清洗湿度较大的环境中, 水汽就不易凝结在风刀外壁 表面, 避免现有技术中凝结在风刀表面的水珠掉落至干燥后的目标物的 风险, 减少制程不良率。
如: 泵入第二腔体 22和第三腔体 23中热介质的温度为 90°C , 风刀 表面的温度将接近于热介质的 90°C , 在这么高的温度下, 环境中的水分 子是无法凝结在风刀表面的。
热介质与第二腔体 22、 第三腔体 23之间的热传导过程为: 假设热 介质与外部空气之间的第二腔体 22、第三腔体 23的腔板尺寸为 2m (长) X 0.1m (宽) X 0.01m (厚), 风刀外壁初始温度与环境一致, 约 20°C左 右, 根据热传导公式:
d2 = -2 - ds -—
dn
其中, Q为热量传递值, s为传热面积, at为传热材料两端的温度 差, n为传热材料两端的长度, λ为传热系数。 对于一般钢材而言, λ = 53.6W/( m« °C )。风刀外壁开始的热传导量为: dQ = 53.6χ2χ0.1 χ( 90-20 ) /0.01=75.04kW; 当风刀外壁被加热到与热介质温度差不多的时候, 3t→ 0, 此时热传导很低, 热介质只起到维持风刀外壁温度的作用。
与此同时, 热介质在热量传递时, 也会对第一腔体 21内的 CDA进 行加热, 加热后的 CDA对于目标物 (如: 玻璃基板) 的干燥作用也比 较明显, 可加强去除目标物表面水分的功能。 在某些工业制程中, 风刀 干燥后往往还伴随有炉子的烘烤过程, 若利用具有本发明结构的风刀, 将会起到一个预烘烤的作用, 对产线的单件产品生产时间 (Tact time ) 会有一定程度的提高。
若对 CDA进行加热, 还可减少 CDA的使用量, 其原理如下: 根据 气体方程: PV=nRT,假设不加热前 CDA的温度为 20 °C ,则 PlVl=nRTl ; 加热后 CDA 的温度为 20 °C , 则 P2V2=nRT2;故 Vl= ( T1/T2 ) · V2=(273+20)/(273+90) ·ν2=80.1%。 即利用热量膨胀可使 CDA 的用量 减少 19.9%。
综上所述, 本实施例中对于现有风刀的改进, 可消除风刀干燥后凝 结水重新滴落的风险, 同时, 对于风刀腔体内的气体进行加热, 不仅可 以增强气体的除水效果, 还可节省气体的使用量。
一起结合图 2、 图 3 , 图 3是本发明吹风装置的使用方法一实施例 的流程示意图, 使用方法包括以下步骤:
步骤 301 , 往吹风装置的第一腔体 21内通入气体, 并使通入的气体 从第一腔体 21上的狭缝喷出; 步骤 302, 在使气体从第一腔体 21上的狭缝喷出的同时, 对第一腔 体 21的位于狭缝两侧的部分进行加热。
其中, 通过往设置于第一腔体 21 的位于狭缝两侧表面的第二腔体 22和第三腔体 23中通入循环流动的加热液体 242而对第一腔体 21的位 于狭缝两侧的部分进行加热, 同时保持第二腔体 22和第三腔体 23中的 液体 242温度在 80~100摄氏度度之间。
综上所述, 本发明首先在吹风装置存储气体的第一腔体 21 两侧各 加入一个腔体: 第二腔体 22和第三腔体 23 , 然后对第二腔体 22和第三 腔体 23 进行加热, 防止吹风装置表面的水汽凝结, 从而避免水滴重新 滴落至干燥后的目标物的风险, 保证干燥效果。
以上所述仅为本发明的实施例, 并非因此限制本发明的专利范围, 凡是利用本发明说明书及附图内容所作的等效结构或等效流程变换, 或 直接或间接运用在其他相关的技术领域, 均同理包括在本发明的专利保 护范围内。

Claims

权利要求
1.一种吹风装置, 其特征在于:
所述吹风装置包括热源、 第一腔体、 第二腔体以及第三腔体; 所述第一腔体设有进风口和出风口, 所述出风口是第一腔体一侧的 狭缝;
所述第二腔体和第三腔体分别位于第一腔体的出风口两侧, 其中, 所述第一腔体、 第二腔体分别独立于第三腔体, 且第二腔体和第三腔体 互通;
所述热源用于对第二腔体和第三腔体进行加热。
2.根据权利要求 1所述的吹风装置, 其特征在于:
所述热源是液体循环加热系统, 包括管道、 管道中的液体以及对液 体进行加热的加热单元, 所述第二腔体和第三腔体分别是管道的一部 分。
3.根据权利要求 1所述的吹风装置, 其特征在于:
所述第一腔体的出风口两侧表面分别为第一侧面、 第二侧面, 所述 第一腔体、 第二腔体和第三腔体一体成型, 第一腔体与第二腔体共用第 一侧面, 第一腔体与第三腔体共用第二侧面。
4.根据权利要求 2所述的吹风装置, 其特征在于:
所述液体为去离子水。
5.根据权利要求 2所述的吹风装置, 其特征在于:
所述热源包括温度控制单元, 用于对管道中的液体温度进行监测并 控制加热单元的加热, 使管道中的液体保持在 80~100摄氏度度之间。
6.—种吹风装置, 其特征在于:
所述吹风装置包括热源、 第一腔体、 第二腔体以及第三腔体; 所述第一腔体设有进风口和出风口, 所述出风口是第一腔体一侧的 狭缝;
所述第二腔体和第三腔体分别位于第一腔体的出风口两侧; 所述热源用于对第二腔体和第三腔体进行加热。
7.根据权利要求 6所述的吹风装置, 其特征在于: 所述第一腔体、 第二腔体分别独立于第三腔体。
8.根据权利要求 6所述的吹风装置, 其特征在于:
所述热源是液体循环加热系统, 包括管道、 管道中的液体以及对液 体进行加热的加热单元, 所述第二腔体和第三腔体分别是管道的一部 分。
9.根据权利要求 7所述的吹风装置, 其特征在于:
所述第一腔体的出风口两侧表面分别为第一侧面、 第二侧面, 所述 第一腔体、 第二腔体和第三腔体一体成型, 第一腔体与第二腔体共用第 一侧面, 第一腔体与第三腔体共用第二侧面。
10.根据权利要求 8所述的吹风装置, 其特征在于:
所述第二腔体和第三腔体互通。
11.根据权利要求 8所述的吹风装置, 其特征在于:
所述液体为去离子水。
12.根据权利要求 8所述的吹风装置, 其特征在于:
所述热源包括温度控制单元, 用于对管道中的液体温度进行监测并 控制加热单元的加热, 使管道中的液体保持在 80~100摄氏度度之间。
13.—种吹风装置的使用方法, 其特征在于, 包括:
往所述吹风装置的第一腔体内通入气体, 并使通入的气体从第一腔 体上的狭缝喷出;
在使所述气体从第一腔体上的狭缝喷出的同时, 对所述第一腔体的 位于狭缝两侧的部分进行加热。
14.根据权利要求 13所述的方法, 其特征在于:
所述对第一腔体的位于狭缝两侧的部分进行加热的步骤包括: 通过 往设置于第一腔体的位于狭缝两侧表面的第二腔体和第三腔体中通入 循环流动的加热液体而对第一腔体的位于狭缝两侧的部分进行加热。
15.根据权利要求 14所述的方法, 其特征在于:
所述加热液体的温度在 80~100摄氏度度之间。
PCT/CN2012/075979 2012-05-18 2012-05-24 吹风装置及吹风装置的使用方法 Ceased WO2013170495A1 (zh)

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