CN207487371U - A kind of waste-heat recovery device for baking oven air draft - Google Patents
A kind of waste-heat recovery device for baking oven air draft Download PDFInfo
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- CN207487371U CN207487371U CN201721563100.0U CN201721563100U CN207487371U CN 207487371 U CN207487371 U CN 207487371U CN 201721563100 U CN201721563100 U CN 201721563100U CN 207487371 U CN207487371 U CN 207487371U
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Abstract
本实用新型公开了一种用于烘箱排风的余热回收装置，包括外套管，外套管内嵌套有内套管，内套管的底部延伸出外套管，且设置有用于连接烘箱排风的排风进风端口，外套管的外壁上半部上设置有新风进风端口，外套管的外壁下半部上设置有新风出风端口，内套管的上部延伸出外套管，且设置有排风出风端口，外套管、内套管的夹层之间设置有螺旋片。本实用新型合理利用烘箱排风余热作为新风热源，降低用电负荷，节俭电力成本，采用夹层套管设计，避免气源交换热能时候的交叉污染；套管的夹层内设置螺旋片，既增加了换热面积，提升了换热效果，还能够加强了套管结构强度，具有良好的应用前景。
The utility model discloses a waste heat recovery device for oven exhaust, which comprises an outer sleeve, an inner sleeve is nested inside the outer sleeve, the bottom of the inner sleeve extends out of the outer sleeve, and an exhaust for connecting the oven exhaust is arranged. The air inlet port, the upper part of the outer wall of the outer casing is provided with a fresh air inlet port, the lower part of the outer wall of the outer casing is provided with a fresh air outlet port, the upper part of the inner casing extends out of the outer casing, and is provided with an exhaust At the air outlet port, a helical piece is arranged between the interlayers of the outer casing and the inner casing. The utility model rationally utilizes the exhaust heat of the oven as the fresh air heat source, reduces the power load, saves the power cost, and adopts the design of the sandwich casing to avoid cross-contamination when the air source exchanges heat energy; The heat exchange area improves the heat exchange effect, and can also strengthen the structural strength of the casing, which has a good application prospect.
Description
技术领域technical field
本实用新型涉及PCB制造技术领域，具体涉及一种用于烘箱排风的余热回收装置。The utility model relates to the technical field of PCB manufacturing, in particular to a waste heat recovery device for oven exhaust.
背景技术Background technique
目前，PCB制造行业在对PCB板进行烘烤、老化加工时，需要大量使用烘箱设备。烘箱，是采用电加热管作为热源，利用循环风机进行对流换热，对物料（PCB板）进行热量传递，并不断补充新鲜空气和排出潮湿空气，以保持箱体内合适的温度和相对湿度，但是，存在以下问题，At present, the PCB manufacturing industry needs to use a lot of oven equipment when baking and aging the PCB board. The oven uses an electric heating tube as a heat source, uses a circulating fan for convective heat exchange, transfers heat to the material (PCB board), and continuously replenishes fresh air and discharges humid air to maintain a suitable temperature and relative humidity in the box. , there is the following problem,
（1）烘箱的排风（潮湿空气）是经过加热的高温空气，会造成能源浪费；(1) The exhaust air (humid air) of the oven is heated high-temperature air, which will cause energy waste;
（2）烘箱的排风（潮湿空气），目前接入专用的热排风系统，以减小对环境温度的影响，热排风系统还需设置一定厚度的保温，相对一般排风系统的造价要高出很多，不便于批量安装使用。(2) The exhaust air (humid air) of the oven is currently connected to a dedicated thermal exhaust system to reduce the impact on the ambient temperature. The thermal exhaust system also needs to be equipped with a certain thickness of insulation, which is relatively expensive compared to the general exhaust system It is much higher, and it is not convenient for batch installation and use.
实用新型内容Utility model content
本实用新型的目的是克服现有的烘箱排风过程中存在的问题。本实用新型的用于烘箱排风的余热回收装置，合理利用烘箱排风余热作为新风热源，降低用电负荷，节俭电力成本，采用夹层套管设计，避免气源交换热能时候的交叉污染；套管的夹层内设置螺旋片，既增加了换热面积，提升了换热效果，还能够加强了套管结构强度；经余热回收后的排气可作为一般排气接入排风系统（造价低），降低建设成本，具有良好的应用前景。The purpose of the utility model is to overcome the problems existing in the exhaust process of the existing oven. The waste heat recovery device for oven exhaust of the utility model reasonably utilizes the waste heat of oven exhaust as a fresh air heat source, reduces power load, saves power costs, and adopts a sandwich sleeve design to avoid cross-contamination when the air source exchanges heat energy; The spiral piece is arranged in the interlayer of the tube, which not only increases the heat exchange area, improves the heat exchange effect, but also strengthens the structural strength of the casing; the exhaust after waste heat recovery can be connected to the exhaust system as a general exhaust (low cost ), reduce construction costs, and have good application prospects.
为了达到上述目的，本实用新型所采用的技术方案是：In order to achieve the above object, the technical solution adopted in the utility model is:
一种用于烘箱排风的余热回收装置，包括外套管，所述外套管内嵌套有内套管，所述内套管的底部延伸出外套管，且设置有用于连接烘箱排风的排风进风端口，所述外套管的外壁上半部上设置有新风进风端口，所述外套管的外壁下半部上设置有新风出风端口，所述内套管的上部延伸出外套管，且设置有排风出风端口，所述外套管、内套管的夹层之间设置有螺旋片。A waste heat recovery device for oven exhaust, comprising an outer sleeve, the outer sleeve is nested with an inner sleeve, the bottom of the inner sleeve extends out of the outer sleeve, and is provided with an exhaust for connecting to the oven exhaust The air inlet port, the upper half of the outer wall of the outer sleeve is provided with a fresh air inlet port, the lower half of the outer wall of the outer sleeve is provided with a fresh air outlet port, and the upper part of the inner sleeve extends out of the outer sleeve, In addition, an exhaust air outlet port is provided, and a helical piece is provided between the interlayers of the outer casing and the inner casing.
前述的一种用于烘箱排风的余热回收装置，所述新风进风端口上安装有可拆卸式过滤网。In the aforementioned waste heat recovery device for oven exhaust, a detachable filter is installed on the fresh air inlet port.
前述的一种用于烘箱排风的余热回收装置，所述可拆卸式过滤网为G4级过滤网。In the aforementioned waste heat recovery device for oven exhaust, the detachable filter is a G4 filter.
前述的一种用于烘箱排风的余热回收装置，所述外套管、内套管均采用SUS304管材制成，所述内套管通过焊接嵌套在外套管内。In the aforementioned waste heat recovery device for oven exhaust, the outer casing and the inner casing are both made of SUS304 pipes, and the inner casing is nested in the outer casing by welding.
前述的一种用于烘箱排风的余热回收装置，所述螺旋片设置新风进风端口、新风出风端口之间的外套管、内套管的夹层内。In the aforementioned waste heat recovery device for oven exhaust, the spiral piece is arranged in the interlayer of the outer casing and the inner casing between the fresh air inlet port and the fresh air outlet port.
前述的一种用于烘箱排风的余热回收装置，所述有新风出风端口与烘箱的进风端相连接。In the aforementioned waste heat recovery device for oven exhaust, the fresh air outlet port is connected to the air inlet end of the oven.
本实用新型的有益效果是：本实用新型的用于烘箱排风的余热回收装置，具有以下优点，The beneficial effects of the utility model are: the waste heat recovery device used for oven exhaust of the utility model has the following advantages,
（1）合理利用烘箱排风余热作为新风热源，降低用电负荷，节俭电力成本；(1) Reasonable use of exhaust heat from the oven as a fresh air heat source reduces electricity load and saves electricity costs;
（2）采用夹层套管设计，避免气源交换热能时候的交叉污染；(2) The sandwich casing design is adopted to avoid cross-contamination when the air source exchanges heat energy;
（3）新风、排风的气流采用逆流式，提高换热效率；(3) The air flow of fresh air and exhaust air adopts counter-flow type to improve heat exchange efficiency;
（4）套管的夹层内设置螺旋片，既增加了换热面积，提升了换热效果，还能够加强了套管结构强度；(4) The spiral piece is arranged in the interlayer of the casing, which not only increases the heat transfer area, improves the heat transfer effect, but also strengthens the structural strength of the casing;
（5）经余热回收后的排气可作为一般排气接入排风系统（造价低），无需单独建设热排风系统，降低建设成本，新风升温后与烘箱的进风端相连，能够实现循环使用。(5) The exhaust after waste heat recovery can be used as general exhaust to connect to the exhaust system (low cost), no need to build a separate hot exhaust system, reducing construction costs, and the fresh air is connected to the air inlet of the oven after heating, which can realize recycle.
附图说明Description of drawings
图1是本实用新型的用于烘箱排风的余热回收装置的结构示意图。Fig. 1 is a schematic structural view of a waste heat recovery device for oven exhaust of the present invention.
附图中标记的含义如下：The meanings of the marks in the accompanying drawings are as follows:
1：外套管；2：内套管；3：排风进风端口；4：新风进风端口；5：新风出风端口；6：排风出风端口；7：螺旋片；8：可拆卸式过滤网。1: Outer casing; 2: Inner casing; 3: Exhaust air inlet port; 4: Fresh air inlet port; 5: Fresh air outlet port; 6: Exhaust air outlet port; 7: Spiral piece; 8: Detachable type filter.
具体实施方式Detailed ways
下面将结合说明书附图，对本实用新型作进一步的说明。The utility model will be further described below in conjunction with the accompanying drawings of the description.
如图1所示，本实用新型的用于烘箱排风的余热回收装置，包括外套管1，所述外套管1内嵌套有内套管2，所述内套管2的底部延伸出外套管1，且设置有用于连接烘箱排风的排风进风端口3，所述外套管1的外壁上半部上设置有新风进风端口4，所述外套管1的外壁下半部上设置有新风出风端口5，所述内套管2的上部延伸出外套管1，且设置有排风出风端口6，所述外套管1、内套管2的夹层之间设置有螺旋片7，这里的螺旋片7设置在新风进风端口4、新风出风端口5之间的外套管1、内套管2的夹层内，增加表面换热面积，强化换热效果，并且可以形成很好的内部支撑，提高外套管1、内套管的强度。As shown in Figure 1, the waste heat recovery device for oven exhaust of the present invention includes an outer casing 1, and an inner casing 2 is nested inside the outer casing 1, and the bottom of the inner casing 2 extends out of the outer casing. pipe 1, and is provided with an exhaust air inlet port 3 for connecting to the exhaust air of the oven, a fresh air inlet port 4 is provided on the upper half of the outer wall of the outer casing 1, and a fresh air inlet port 4 is arranged on the lower half of the outer wall of the outer casing 1 There is a fresh air outlet port 5, the upper part of the inner sleeve 2 extends out of the outer sleeve 1, and is provided with an exhaust air outlet port 6, and a spiral piece 7 is arranged between the outer sleeve 1 and the interlayer of the inner sleeve 2 , the spiral piece 7 here is arranged in the interlayer of the outer casing 1 and the inner casing 2 between the fresh air inlet port 4 and the fresh air outlet port 5, so as to increase the surface heat transfer area, strengthen the heat transfer effect, and can form a good The internal support improves the strength of the outer casing 1 and the inner casing.
本发明的排风进风端口3位于下方、排风出风端口6位于下方，从下到上进行流动，新风进风端口4位于上方，新风出风端口5位于下方，从下到上进行流动，实现逆流式，提高换热效率。The exhaust air inlet port 3 of the present invention is located at the bottom, the exhaust air outlet port 6 is located at the bottom, and flows from bottom to top, the fresh air inlet port 4 is located at the top, and the fresh air outlet port 5 is located at the bottom, and flows from bottom to top , to achieve counter-flow, improve heat transfer efficiency.
优选的，所述新风进风端口4上安装有可拆卸式过滤网8，所述可拆卸式过滤网8为G4级过滤网，可以滤除新风中夹带的颗粒粉尘，计重过滤效率超过90%，有效改善新风质量的加热环境。Preferably, a detachable filter screen 8 is installed on the fresh air inlet port 4, and the detachable filter screen 8 is a G4 grade filter screen, which can filter out the particulate dust entrained in the fresh air, and the filter efficiency by weight exceeds 90 %, effectively improve the heating environment of fresh air quality.
优选的，所述外套管1、内套管2均采用SUS304管材制成，所述内套管2通过焊接嵌套在外套管1内，制作方便，成本较低。Preferably, both the outer casing 1 and the inner casing 2 are made of SUS304 pipe material, and the inner casing 2 is nested in the outer casing 1 by welding, which is convenient to manufacture and low in cost.
优选的，所述排风出风端口6与烘箱的进风端相连接，，能够实现循环使用，降低烘箱的使用成本。Preferably, the exhaust air outlet port 6 is connected to the air inlet end of the oven, so that recycling can be realized and the use cost of the oven can be reduced.
综上所述，本实用新型的用于烘箱排风的余热回收装置，具有以下优点，To sum up, the utility model waste heat recovery device for oven exhaust has the following advantages,
（1）合理利用烘箱排风余热作为新风热源，降低用电负荷，节俭电力成本；(1) Reasonable use of exhaust heat from the oven as a fresh air heat source reduces electricity load and saves electricity costs;
（2）采用夹层套管设计，避免气源交换热能时候的交叉污染；(2) The sandwich casing design is adopted to avoid cross-contamination when the air source exchanges heat energy;
（3）新风、排风的气流采用逆流式，提高换热效率；(3) The air flow of fresh air and exhaust air adopts counter-flow type to improve heat exchange efficiency;
（4）套管的夹层内设置螺旋片，既增加了换热面积，提升了换热效果，还能够加强了套管结构强度；(4) The spiral piece is arranged in the interlayer of the casing, which not only increases the heat transfer area, improves the heat transfer effect, but also strengthens the structural strength of the casing;
（5）经余热回收后的排气可作为一般排气接入排风系统（造价低），无需单独建设热排风系统，降低建设成本，新风升温后与烘箱的进风端相连，能够实现循环使用。(5) The exhaust after waste heat recovery can be used as general exhaust to connect to the exhaust system (low cost), no need to build a separate hot exhaust system, reducing construction costs, and the fresh air is connected to the air inlet of the oven after heating, which can realize recycle.
以上显示和描述了本实用新型的基本原理、主要特征及优点。本行业的技术人员应该了解，本实用新型不受上述实施例的限制，上述实施例和说明书中描述的只是说明本实用新型的原理，在不脱离本实用新型精神和范围的前提下，本实用新型还会有各种变化和改进，这些变化和改进都落入要求保护的本实用新型范围内。本实用新型要求保护范围由所附的权利要求书及其等效物界定。The basic principles, main features and advantages of the present utility model have been shown and described above. Those skilled in the art should understand that the utility model is not limited by the above-mentioned embodiments. The above-mentioned embodiments and descriptions only illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model The new model also has various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection required by the utility model is defined by the appended claims and their equivalents.
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| CN201721563100.0U CN207487371U (en) | 2017-11-21 | 2017-11-21 | A kind of waste-heat recovery device for baking oven air draft |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109827417A (en) * | 2019-01-24 | 2019-05-31 | 深圳市华星光电半导体显示技术有限公司 | A kind of drying device of display panel |
| CN112082404A (en) * | 2020-09-23 | 2020-12-15 | 洛阳超蓝节能技术有限公司 | Heat exchange tube, heat exchanger tube core, heat exchanger and manufacturing method |
| CN114001567A (en) * | 2021-02-25 | 2022-02-01 | 江苏慧朗能源科技有限公司 | Air pipe type heat exchanger |
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2017
- 2017-11-21 CN CN201721563100.0U patent/CN207487371U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109827417A (en) * | 2019-01-24 | 2019-05-31 | 深圳市华星光电半导体显示技术有限公司 | A kind of drying device of display panel |
| CN112082404A (en) * | 2020-09-23 | 2020-12-15 | 洛阳超蓝节能技术有限公司 | Heat exchange tube, heat exchanger tube core, heat exchanger and manufacturing method |
| CN112082404B (en) * | 2020-09-23 | 2025-12-30 | 洛阳超蓝节能技术有限公司 | Heat exchanger tubes, heat exchanger cores, heat exchangers and manufacturing methods |
| CN114001567A (en) * | 2021-02-25 | 2022-02-01 | 江苏慧朗能源科技有限公司 | Air pipe type heat exchanger |
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