CN202614016U - 进风百叶消声柜及机械通风冷却塔 - Google Patents
进风百叶消声柜及机械通风冷却塔 Download PDFInfo
- Publication number
- CN202614016U CN202614016U CN 201220281375 CN201220281375U CN202614016U CN 202614016 U CN202614016 U CN 202614016U CN 201220281375 CN201220281375 CN 201220281375 CN 201220281375 U CN201220281375 U CN 201220281375U CN 202614016 U CN202614016 U CN 202614016U
- Authority
- CN
- China
- Prior art keywords
- air intake
- sound absorption
- plate
- cooling tower
- noise elimination
- 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
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- 238000001816 cooling Methods 0.000 title claims abstract description 33
- 230000001743 silencing Effects 0.000 title abstract 5
- 238000010521 absorption reaction Methods 0.000 claims abstract description 25
- 238000003379 elimination reaction Methods 0.000 claims description 25
- 229910000831 Steel Inorganic materials 0.000 claims description 9
- 239000010410 layer Substances 0.000 claims description 9
- 239000010959 steel Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 7
- 229920000742 Cotton Polymers 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 4
- 239000004411 aluminium Substances 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminum Chemical compound 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[Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 4
- 229910001335 Galvanized steel Inorganic materials 0.000 claims description 3
- 239000011247 coating layer Substances 0.000 claims description 3
- 239000008397 galvanized steel Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 238000009413 insulation Methods 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 4
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Abstract
本实用新型提供一种进风百叶消声柜，包括由四面侧板围成的方形外框及设置在方形外框内的吸声片，所述吸声片为多个，并列等距的设置在方形外框内，所述吸声片与方形外框的中轴线倾斜，针对冷却塔进风通道噪声的特点，并结合多年的实际工程经验，设计出的进风百叶消声柜及使用该进风百叶消声柜的机械通风冷却塔，该设备具有降噪量较大、隔声效果好、消声频带宽、吸声片消声系数较大、耐高温、防火阻燃、耐腐蚀且不怕潮湿、使用寿命长、结构紧凑、生产成本低等优点。
Description
进风百叶消声柜及机械通风冷却塔
技术领域
[0001] 本实用新型属于环境保护领域，尤其涉及一种噪声治理的装置，具体为一种进风百叶消声柜及机械通风冷却塔。
背景技术
[0002] 近年来，随着人民生活水平的逐步提高以及环保意识的逐步增强，人们对生存环境的质量要求越来越高，冷却塔噪声对周围环境的影响已越来越引起人们的重视，妥善治理好冷却塔噪声对周围环境的影响问题正逐步成为全社会的共识。
[0003] 冷却塔是工业企业和民用建筑制冷系统循环用水的一种装置，其工作原理是利用热空气沿塔体的高度上升造成的拔风能力，使由塔底进入的冷空气与由上部淋下的热水进 行热交换，从而冷却循环水。
[0004] 其噪声主要是顶部排风机的风噪声和下层的淋水噪声，如果噪声不解决，会严重影响周围居民生活或者办公环境。
实用新型内容
[0005] 本实用新型的目的在于提供一种结构简单、降噪量较大、隔声效果好、消声频带宽、吸声片消声系数较大、耐高温、防火阻燃、耐腐蚀且不怕潮湿、使用寿命长、结构紧凑、生产成本低的进风百叶消声柜及机械通风冷却塔。
[0006] 为解决上述技术问题，本实用新型提供一种进风百叶消声柜，包括由四面侧板围成的方形外框及设置在方形外框内的吸声片，所述吸声片为多个，并列等距的设置在方形外框内，所述吸声片与方形外框的中轴线倾斜。
[0007] 本实用新型改进有，所述侧板由内至外依次包括钢板层、阻尼涂料层、吸声棉、无纺布和吸声孔板。
[0008] 本实用新型改进有，所述钢板层为彩钢板层或镀锌钢板层。
[0009] 本实用新型改进有，所述吸声片的材质由上至下依次是吸声孔板、无纺布、吸声棉、无纺布和吸声孔板。
[0010] 本实用新型改进有，所述吸声孔板的材质为铝。
[0011] 本实用新型改进有，所述吸声片与方形外框的中轴线的倾斜夹角为45°。
[0012] 本实用新型进一步提供一种机械通风冷却塔的实施例，进风口设置有上述进风百叶消声柜。
[0013] 本实用新型的有益效果是：针对冷却塔进风通道噪声的特点，并结合多年的实际工程经验，设计出的进风百叶消声柜及机械通风冷却塔，该设备具有降噪量较大、隔声效果好、消声频带宽、吸声片消声系数较大、耐高温、防火阻燃、耐腐蚀且不怕潮湿、使用寿命长、结构紧凑、生产成本低等优点。
附图说明[0014] 附图I为本实用新型的进风百叶消声柜的主视图；
[0015] 附图2为本实用新型的进风百叶消声柜的左视图。
[0016] 标号说明：1_外框;1ト侧板;2_吸声片。
具体实施方式
[0017] 为详细说明本实用新型的技术内容、构造特征、所实现目的及效果，以下结合实施方式并配合附图详予说明。
[0018] 研究了机械通风冷却塔的主要产生的噪声是顶部排风机的风噪声和下层的淋水噪声，其中解决冷却塔的噪声的有效方法就是安装出口排风消声器和隔声屏障，由于冷却塔的进风要求，隔声屏障还需保证有足够的进风通道，进风百叶消声柜就是消除进风噪声， 同时防止冷却塔噪声通过进风通道向外传播的装置。
[0019] 參照附图1，附图所示本实用新型提供一种进风百叶消声柜，包括由四面侧板11围成的方形外框I及设置在方形外框I内的吸声片2，所述吸声片2为多个，并列等距的设置在方形外框I内，所述吸声片2与方形外框I的中轴线傾斜。
[0020] 在方形外框I与吸声片2的双重作用下，对进风ロ处的风噪声进行最大限度的降噪，吸声片2的倾斜设置使得风的传播方向被打乱，进而消除了噪音，而且吸声片2均匀的设置在方形外框I上，使得每个方位的噪音都能充分的吸收。
[0021] 进风百叶消声柜由外框I (框架）和吸声片2(百叶）组成，并合理设计吸声片2(百叶）的数量、尺寸、间距和安装方式，在达到一定降噪量和隔声量的同时，满足冷却塔的进风要求。
[0022] 本实用新型冷却塔进风声柜除了有良好的声学性能外，还具有良好的通风效果。
[0023] 本实施例中，所述侧板11由内至外依次包括钢板层、阻尼涂料层、吸声棉、无纺布和吸声孔板。
[0024] 其中，具体的，所述钢板层为彩钢板层或镀锌钢板层。
[0025] 本实施例中，所述吸声片2的材质由上至下依次是吸声孔板、无纺布、吸声棉、无纺布和吸声孔板。
[0026] 具体的，上述吸声孔板的材质为铝。
[0027] 经过长期的研究和实验，设计出最优的吸声片2与方形外框I的倾斜角，具体的所述吸声片2与方形外框I的中轴线的倾斜夹角为45°。
[0028] 本实用新型进ー步提供ー种机械通风冷却塔的实施例中，具体的，进风ロ设置有上述的进风百叶消声拒。
[0029] 冷却塔的风噪声是空气动カ性噪声，包括湍流噪声和旋转噪声，主要通过空气向四周传播。在噪声控制设计中，既要保证冷却塔一定的通风量，不致影响冷却塔的换热效率，又要使通风部位有足够的传声损失，保持良好的整体隔声效果，采用上述实施例的进风百叶消声柜可以达到这一目的，本实用新型的设计就是为了有效解决冷却塔风噪声向四周传播而设的隔声屏障的进风通道的吸声和隔声问题，消除对周围居民生活或办公环境的影响。
[0030] 通过进风百叶消声拒，并结合其它降噪措施，使噪声值达到《社会生活噪声排放标准》（GB12348-2008)和《声环境质量标准》（GB3096-2008)中规定标准的同时，解决冷却塔正常运行时的进风问题，来保证冷却塔的正常エ况。
[0031] 本实施例中的平均隔声降噪量约在30dB(A)左右，超过原有技术的20dB(A)左右的平均隔声降噪量，防尘、防潮、耐热、轻便、安全、耐用，具有较好的整体刚度和抗风载能力，气道顺畅，外形美观大方，便于模块化、标准化、通用化生产。
[0032] 具体实施例：
[0033] 以水量350m3/h、出风ロ直径3200mm的LAV-350UL型冷却塔噪声治理为例：考虑到冷却塔周围噪声敏感的位置，确定在冷却塔的周围建立隔声屏，为保证冷却塔的进风量，拟在隔声屏上设置进风百叶消声柜，进风百叶消声柜固定安装于冷却塔隔声屏障上，数量根据冷却塔的通风量和进风百叶消声柜的单个通风量计算确定。
[0034] 其平均隔声降噪量：30dB(A)左右，平均吸声系数：0. 84。 [0035] 以上所述仅为本实用新型的实施例，并非因此限制本实用新型的专利范围，凡是利用本实用新型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，均同理包括在本实用新型的专利保护范围内。
Claims (8)
1. 一种进风百叶消声柜，其特征在于，包括由四面侧板围成的方形外框及设置在方形外框内的吸声片，所述吸声片为多个，并列等距的设置在方形外框内，所述吸声片与方形外框的中轴线倾斜。
2.根据权利要求I所述的进风百叶消声柜，其特征在于，所述侧板由内至外依次包括钢板层、阻尼涂料层、吸声棉、无纺布和吸声孔板。
3.根据权利要求2所述的进风百叶消声柜，其特征在于，所述钢板层为彩钢板层或镀锌钢板层。
4.根据权利要求2所述的进风百叶消声柜，其特征在于，所述吸声孔板的材质为铝。
5.根据权利要求I所述的进风百叶消声柜，其特征在于，所述吸声片的材质由上至下依次是吸声孔板、无纺布、吸声棉、无纺布和吸声孔板。
6.根据权利要求I所述的进风百叶消声柜，其特征在于，所述吸声孔板的材质为铝。
7.根据权利要求I所述的进风百叶消声柜，其特征在于，所述吸声片与方形外框的中轴线的倾斜夹角为45°。
8. 一种机械通风冷却塔，其特征在于，进风口设置有如权利要求1-7任意一项所述的进风百叶消声柜。
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106401882A (zh) * | 2016-11-17 | 2017-02-15 | 上海闰铭精密技术有限公司 | 一种风能发电机组设备排气消音过滤器 |
| CN106610233A (zh) * | 2017-01-10 | 2017-05-03 | 吴光明 | 一种用于电厂水冷却塔的消音结构 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106401882A (zh) * | 2016-11-17 | 2017-02-15 | 上海闰铭精密技术有限公司 | 一种风能发电机组设备排气消音过滤器 |
| CN106610233A (zh) * | 2017-01-10 | 2017-05-03 | 吴光明 | 一种用于电厂水冷却塔的消音结构 |
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