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安装风管时会遇到哪些常见问题呢?

来源:http://www.topslmdwn.com 日期:2020-06-12 发布人:gaoshitongferng

风管主要是指空调系统的通风管道,它常常被忽视但它却是空调系统的重要组成部分,那么,我们在安装风管时会遇到哪些常见问题呢?如何解决呢?下面一起来看看吧。
The air duct mainly refers to the ventilation duct of the central air conditioning system, which is often ignored but it is an important part of the air conditioning system. Then, what common problems will we encounter when installing the air duct? How to solve them? Let's take a look.
风管安装有哪些常见问题?
What are the common problems with duct installation?
1、材料不符合质量要求
1. Material does not meet quality requirements
这种问题是比较让人头疼的问题,如果材料不符合要求,系统运行时,风管会漏风,造成不应有的空调负荷损失,并且影响风管的使用寿命。
This kind of problem is quite a headache. If the material does not meet the requirements, the air duct will leak when the system is running, resulting in the loss of air conditioning load and affecting the service life of the air duct.
2、风管出现噪声
2. Duct noise
引起这种现象的原因可能是板材表面不平整,厚度不均匀,有明显的压痕、裂纹、砂眼、结疤和锈蚀等,或者是风管平面下沉,侧面向外凸起,有明显的变形。
The cause of this phenomenon may be the uneven surface and thickness of the plate, obvious indentation, crack, sand hole, scar and rust, etc., or the air duct plane sinks, the side bulges outwards, and obvious deformation.
3、风管翘角、扭曲及弯头角度不准
3. The angle of air duct warping, twisting and the angle of elbow are not correct
这是由于板下料放样不准确;风管两两平行,相对面的板料长度和宽度不相等;风管的四角处咬口宽度不相等;咬口缝设置部位不对,手工咬口缝用力大小不一样;未采取相应的加固措施。这样的情况会导致矩形风管相对平面不平行、两端面不平行;折角不平直;对角线不相等;咬口不严。的直接结果就是会使风管连接受力不均匀,安装后的风管不平直,法兰盘垫片不严密,系统漏风,造成空调负荷损失,并且缩短使用寿命。
This is due to the inaccurate setting out of slab cutting; the two air ducts are parallel, and the length and width of the slab on the opposite side are not equal; the width of the undercut at the four corners of the air duct is not equal; the location of the undercut joint is not correct, and the strength of the manual undercut joint is not the same; no corresponding reinforcement measures have been taken. In this case, the relative plane of the rectangular air duct is not parallel, and the two ends are not parallel; the angle is not straight; the diagonal is not equal; and the undercut is not strict. The final direct result is that the air duct connection will be uneven in stress, the installed air duct is not straight, the flange gasket is not tight, the system leaks air, resulting in air conditioning load loss, and shortening the service life.
风管安装的解决办法:
Solutions for duct installation:
1、安装前对材料进行质量检查
1. Quality inspection of materials before installation
仔细测量钢板厚度,在风管安装前一定要注意先检查材料出厂合格证书和材料质量证明,然后检查材料外观;再测量钢板厚度。防止因材料不符合要求而返工。
Carefully measure the thickness of the steel plate. Before installing the air duct, be sure to check the factory certificate and material quality certificate of the materials, then check the appearance of the materials, and then measure the thickness of the steel plate. Prevent rework due to non-conforming materials.
2、吊装安全要保证
2. Safety of hoisting
洁净风管的吊装与普通风管一样,要求吊杆、横担、膨胀螺栓、保温风管下部垫木等符合有关规范和质量验收标准。
The hoisting of clean air duct is the same as that of ordinary air duct, and the suspender, cross arm, expansion bolt, underlay of thermal insulation air duct, etc. are required to meet the relevant specifications and quality acceptance standards.
3、注意展开下料步骤
3. Pay attention to unfolding the blanking steps
要让施工人员对板料严格检查,对每片板料的长度、宽度以及对角线,使它们的偏差控制在允许范围内;下料后的板料,应该将风管相对面的两片板料重合起来,检验尺寸的准确性;板料咬口预留尺寸必须正确,以保证咬口宽度一致;咬口缝设在四角部位,手工咬口合缝时,用木锤先将咬口两端部位打紧,再沿全长均匀打实。
The construction personnel shall strictly check the sheet metal, and control the length, width and diagonal of each sheet metal to make their deviation within the allowable range; for the sheet metal after blanking, the two sheets on the opposite side of the air duct shall be overlapped to check the accuracy of the size; the pre reserved size of the sheet metal undercut must be correct to ensure the same undercut width; The seaming joint is set at the four corners. When the seaming joint is made by hand, the center part at both ends of the seaming joint shall be tightened with a wooden hammer first, and then the joint shall be evenly compacted along the whole length.
4、做好漏光检查
4. Check the light leakage
风管地面组装后,在未做保温前应进行漏光检查,根据现场情况可按内漏光或外漏光检查,在漏光处需补密封胶,直至无漏光时方可进行保温。
After the air duct is assembled on the ground, the light leakage inspection shall be carried out before the heat preservation. According to the site conditions, the light leakage inspection can be carried out according to the internal light leakage or external light leakage. Sealant shall be added at the light leakage place until there is no light leakage.
5、漏风量测试
5. Air leakage test
对于等级较高的净化系统的送回风总管和支干管,在地面组对后除做漏光检查外,还应做漏风量测试。对于较小的系统可在风管安装后测试,对于较大的系统尽可能在地面分段组装后进行,这样便于发现问题及时处理。
For the air supply and return main pipe and branch main pipe of the purification system with higher level, besides light leakage inspection, air leakage test shall also be conducted after the ground assembly. For the smaller system, it can be tested after the installation of air duct, and for the larger system, it can be assembled in sections on the ground as much as possible, so that problems can be found and dealt with in time.
6、垫料要选好
6. Select the padding
风管法兰连接处的垫料,应选择不透气、不产尘、弹性好不易老化的材料,如闭孔海绵橡胶板、软橡胶板等组成,垫料的厚度5~8mm,接头处应加工成阶梯形,严禁直接对接。
The gasket at the joint of air duct flange shall be made of airtight, dust-free, elastic and aging resistant materials, such as closed cell sponge rubber plate, soft rubber plate, etc. the thickness of the gasket shall be 5-8mm, and the joint shall be processed into ladder shape, and direct butt joint is strictly prohibited.
关于风管安装的相关知识小编就给大家介绍到这里,风管安装是否规范非常重要,大家在施工过程中要仔细。
The relevant knowledge of air duct installation will be introduced here. Whether the air duct installation is standard or not is very important. You should be careful in the construction process.
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