通風管道的施工前的準備

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1、搞好工程施工前的準備工作

1. Do a good job of preparation before construction

俗話說得好“勝不驕敗不餒”，充足的準備工作是保證風管安裝品質(zhì)的前提條件。在提前準備凈化處理風管的制做時，不論是采用加工廠集中化制做或是當場制做方法，都務必確保場所的清潔和封閉式，并有著滿足條件的光照和照明燈具標準。除此外，還需要對制做好的方鋼管開展照看，盡量減少環(huán)境污染。

As the saying goes, "victory is not arrogant, defeat is not discouraged". Sufficient preparation is the prerequisite to ensure the installation quality of air duct. When preparing the fabrication of purification treatment air duct in advance, whether it is centralized in the processing plant or on the spot, it is necessary to ensure that the place is clean and closed, and there are lighting and lighting standards that meet the conditions. In addition, it is also necessary to take care of the prepared square steel pipe to minimize environmental pollution.

2、風管材料的挑選

2. Selection of air duct materials

風管材料的挑選，對風管的施工質(zhì)量也是有非常大的危害。一般而言為了更好地確保風管的凈重，需選用少板厚的風管，但除此外還需要綜合性考慮到風管的規(guī)格和工作壓力等級。從設計方案視角看來，特別注意的是一個系統(tǒng)軟件能夠 另外存有幾類相匹配于不一樣負壓等級的風管板厚。

The selection of air duct materials is also very harmful to the construction quality of air duct. Generally speaking, in order to better ensure the net weight of the air duct, the air duct with less plate thickness needs to be selected, but in addition, the specification and working pressure grade of the air duct need to be comprehensively considered. From the perspective of design scheme, special attention should be paid to that a system software can store several types of air duct plate thickness matching different negative pressure levels.

3、風管的橫著聯(lián)接

3. Transverse connection of air duct

風管的橫著聯(lián)接有一定注重，這類接口方式可以說是是持續(xù)風管長短的一種方式，還具有提高彎曲剛度及維持風管地橫著規(guī)格的功效。一般 橫著聯(lián)接的方法是角鐵活套法蘭，這類接口方式在于壁厚，更在于聯(lián)接類型及板壁結(jié)構(gòu)加固方法。

There is a certain emphasis on the transverse connection of the air duct. This kind of interface mode can be said to be a way to maintain the length of the air duct. It also has the effect of improving the bending stiffness and maintaining the transverse specification of the air duct. Generally, the method of transverse connection is angle iron looper flange. This kind of interface mode depends on the wall thickness, but also on the connection type and the reinforcement method of plate and wall structure.

4、風管的豎向縫緊密連接

4. The vertical joints of air ducts are closely connected

風管的豎向縫緊密連接方法能夠 依據(jù)具體情況，挑選相匹配的方法。在、底壓風管中經(jīng)常應用扣式咬口聯(lián)接，針對矩形框風管，協(xié)同壓槽應用無一切工作壓力等級，因而應用扣式咬口能夠 節(jié)約一道反邊工藝流程，現(xiàn)階段大部分的風管豎向縫緊密連接都選用了扣式咬口。針對立縫和密封式立縫能夠 應用螺栓、自攻螺釘、焊接、壓凹凸痕等方式 擰緊。

The vertical joint tight connection method of air duct can select the matching method according to the specific situation. In China, button type undercut connection is often used in bottom pressure air ducts. For rectangular frame air ducts, there is no working pressure level in the application of cooperative pressure groove. Therefore, the application of button type undercut can save a reverse edge process. At this stage, button type undercut is selected for the close connection of most vertical joints of air ducts. For vertical joints and sealed vertical joints, bolts, self tapping screws, welding, indentation and other methods can be used to tighten.

5、風管的儲放

5. Storage of air duct

預制構(gòu)件好的風管，是務必要搞好儲放工作中，以防遭受二次污染?？蓪⒅Ч苡盟芰媳∧さ认鹉z密封件封死，隨后將風管分門別類堆積好。在應用風管前，要留意開展完全的清理工作中，明確板才表面耐腐蝕，干躁后不除塵。

The air duct with good prefabricated components must be stored well to prevent secondary pollution. The branch pipe can be sealed with rubber seals such as plastic film, and then the air duct can be stacked by category. Before applying the air duct, pay attention to carry out complete cleaning work, make it clear that the surface of the plate is corrosion-resistant, and do not remove dust after dryness.

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