CN102297747A - 钢制箱罐底板焊缝检测装置 - Google Patents
钢制箱罐底板焊缝检测装置 Download PDFInfo
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- CN102297747A CN102297747A CN2011101325083A CN201110132508A CN102297747A CN 102297747 A CN102297747 A CN 102297747A CN 2011101325083 A CN2011101325083 A CN 2011101325083A CN 201110132508 A CN201110132508 A CN 201110132508A CN 102297747 A CN102297747 A CN 102297747A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 49
- 239000010959 steel Substances 0.000 title claims abstract description 49
- 238000001514 detection method Methods 0.000 title claims abstract description 10
- 239000011521 glass Substances 0.000 claims description 5
- 238000007789 sealing Methods 0.000 claims description 5
- 230000002950 deficient Effects 0.000 description 3
- 239000002184 metal Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000001680 brushing Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007667 floating Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials 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Abstract
本发明公开了一种钢制箱罐底板焊缝检测装置，设置顶面及底面敞口的立方体钢板箱，所述钢板箱的上端口及下端口边缘设有外翻边，所述钢板箱的上端口密封覆盖有透明盖板，钢板箱的下端口密封骑跨罩于所述钢制箱罐底板焊缝上，在钢板箱的两侧部分别设有进气管道及抽气管道，所述抽气管道与真空泵连接。通过本发明的检测装置，可以方便、快捷、准确地检测出钢制箱罐底板焊缝是否存在渗漏。
Description
钢制箱罐底板焊缝检测装置
技术领域：
[0001] 本发明涉及一种钢制箱罐底板焊缝检测装置。 背景技术：
[0002] 现代大型火力发电厂的公用部分均配置有大小不一的各种金属箱罐，用以盛放各类液体。在较大直径的箱罐底板制作与安装过程中，底板焊缝仅能焊接向上的一面，且焊缝的检查，只能凭借眼睛的外观检查，从而存在无法判断焊缝内在质量的难题。特别是油罐的底板焊缝质量非常重要，因为一旦设备投入使用后即使发现底板渗漏也无法进行常规处理。
发明内容：
[0003] 为克服现有技术的缺陷，本发明的目的在于提供一种钢制箱罐底板焊缝检测装置，可以方便准确地检测金属箱罐的焊缝是否存在渗漏问题。
[0004] 本发明解决技术问题采用如下技术方案：
[0005] 钢制箱罐底板焊缝检测装置，设置顶面及底面敞口的立方体钢板箱，所述钢板箱的上端口及下端口边缘设有外翻边，所述钢板箱的上端口密封覆盖有透明盖板，钢板箱的下端口密封骑跨罩于所述钢制箱罐底板焊缝上，在钢板箱的两侧部分别设有进气管道及抽气管道，所述抽气管道与真空泵连接。
[0006] 所述透明盖板为有机玻璃盖板，所述钢板箱上端口的外翻边上开设有螺栓孔，所述透明盖板与钢板箱上端口的外翻边之间设有橡胶密封垫片，并在透明盖板顶面边缘设有夹板，所述透明盖板通过紧固螺栓密封固定于所述钢板箱的上端口上。
[0007] 与已有技术相比，本发明的有益效果体现在：
[0008] 通过本发明的检测装置，可以方便快捷准确地检测出钢制箱罐底板焊缝是否存在渗漏。
附图说明：
[0009] 图1为本发明的结构示意图。
[0010] 图中标号：1钢板箱，2外翻边，3透明盖板，4进气管道，5抽气管道，6螺栓孔，7紧固螺栓，8油泥。
[0011] 以下通过具体实施方式，并结合附图对本发明作进一步说明。 具体实施方式：
[0012] 实施例：参见图1，本实施例的钢制箱罐底板焊缝检测装置，包括顶面及底面敞口的立方体钢板箱1，钢板箱的上端口及下端口边缘设有外翻边2，在钢板箱的上端口密封覆盖有透明盖板3，在钢板箱1的两侧部分别设有进气管道4及抽气管道5，进气管道及抽气管道上分别设有阀门，并使抽气管道5与真空泵连接。[0013] 具体设置中，透明盖板3采用有机玻璃盖板，并在钢板箱上端口的外翻边2上开设有螺栓孔6，使用中，将钢板箱1罩于钢制箱罐底板焊缝上，接触处用油泥8密封，在透明盖板3与钢板箱上端口的外翻边之间设置橡胶密封垫片，并在透明盖板3顶面边缘设有宽度与外翻边相同的夹板，用紧固螺栓7将透明盖板3密封固定于钢板箱的上端口上。
[0014] 检验步骤：先将要检测的部位焊口清理干净，确保焊口无浮锈、焊渣和其它杂物。
[0015] 用刷子将肥皂水均勻涂刷在箱罐底板焊缝处，然后将油泥搓成长条状，使钢板箱内部形成密闭状态。
[0016] 将抽气管道5连接在真空泵上，开启真空泵，真空表应勻速下降，当下降到-0. 053Mpa时真空泵停止运行，关闭阀门，保持40秒钟，如真空表不动，即认为所检验焊逢不渗漏。
[0017] 在真空泵开启初期，有可能出现真空表不动的情况，这种现象应该属于正常的，稍等片刻真空表即会正常下降。如仍旧不动或极慢（相对于钢板箱大小而言，钢板箱大真空表下降的就慢些），应检查钢板箱在油泥处是否有渗漏，如有，添加油漆泥堵漏；如不漏，应通过透明盖板查看焊缝处是否有肥皂泡，如有，则判定焊缝不合格。对不合格焊逢应进行处理，然后继续检查。
[0018] 注意检验结束后，开启进气管道阀门时应缓慢进行，以防有机玻璃产生振动，损伤有机玻璃。
Claims (2)
1.钢制箱罐底板焊缝检测装置，其特征是设置顶面及底面敞口的立方体钢板箱（1)， 所述钢板箱的上端口及下端口边缘设有外翻边（¾，所述钢板箱的上端口密封覆盖有透明盖板（3)，钢板箱的下端口密封罩于所述钢制箱罐底板焊缝上，在钢板箱（1)的两侧部分别设有进气管道（4)及抽气管道（5)，所述抽气管道（¾与真空泵连接。
2.根据权利要求1所述的钢制箱罐底板焊缝检测装置，其特征在于，所述透明盖板（3) 为有机玻璃盖板，所述钢板箱上端口的外翻边（¾上开设有螺栓孔（6)，所述透明盖板（3) 与钢板箱上端口的外翻边之间设有橡胶密封垫片，并在透明盖板C3)顶面边缘设有夹板， 所述透明盖板通过紧固螺栓（7)密封固定于所述钢板箱的上端口上。
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| CN103822765A (zh) * | 2014-03-04 | 2014-05-28 | 上海诺地乐通用设备制造有限公司 | 一种大型通风设备空气泄漏率检测装置 |
| CN107543660A (zh) * | 2017-07-25 | 2018-01-05 | 山东枣建建设集团有限公司 | 储罐底板焊缝真空试验装置 |
| CN109883618A (zh) * | 2019-04-16 | 2019-06-14 | 中国五冶集团有限公司 | 槽罐底板严密性试验用真空箱结构及试验方法 |
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| CN109883618A (zh) * | 2019-04-16 | 2019-06-14 | 中国五冶集团有限公司 | 槽罐底板严密性试验用真空箱结构及试验方法 |
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