濟(jì)南通風(fēng)管道：鍍鋅板共板法蘭風(fēng)管

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　　共板式法蘭風(fēng)管又稱無法蘭風(fēng)管，其制作形式比傳統(tǒng)的矩形風(fēng)管加工速度更快捷、更方便、更小的漏風(fēng)率。其優(yōu)點(diǎn)是節(jié)省材料，減少工程投資;漏風(fēng)量小，降低能耗，節(jié)省運(yùn)行費(fèi)用，頗受施工企業(yè)歡迎。

　　The common plate flange air duct, also known as the non flange air duct, has a faster, more convenient, and lower air leakage rate in its manufacturing form compared to traditional rectangular air ducts. Its advantage is to save materials and reduce engineering investment; Small air leakage, reduced energy consumption, and saved operating costs, which is highly welcomed by construction companies.

　　共板法蘭主要由角碼、法蘭夾，及與風(fēng)管一體相連的法蘭連接，這種形式風(fēng)管雖然造價較低(減少了角鋼用量，減少了制作角鋼法蘭的人工用量)，但是實(shí)際應(yīng)用起來不如角鋼法蘭牢固，漏風(fēng)量也較大，且必須通過機(jī)床進(jìn)行加工，手工制作幾乎不能實(shí)現(xiàn)它的制作，通常只應(yīng)用于新風(fēng)系統(tǒng)，空調(diào)系統(tǒng)等，排煙系統(tǒng)還是經(jīng)常用角鋼法蘭連接的風(fēng)管。但是人防工程是不允許用共板法蘭連接。

　　The common plate flange is mainly composed of corner brackets, flange clamps, and flange connections that are integrated with the air duct. Although this form of air duct has a lower cost (reducing the amount of angle steel used and the manual labor required to make angle steel flanges), it is not as sturdy as angle steel flanges in practical applications, and has a larger air leakage rate. It must be processed by machine tools, and manual production is almost impossible to achieve its production. It is usually only used in fresh air systems, air conditioning systems, etc. The exhaust system still often uses angle steel flange connected air ducts. However, it is absolutely not allowed to use common flange connections in civil air defense engineering.

　　生產(chǎn)設(shè)備

　　Production equipment

　　生產(chǎn)共板法蘭風(fēng)管需要的設(shè)備有:多功能剪板機(jī)、多功能咬邊機(jī)、多功能壓筋機(jī)、共板法蘭成型機(jī)、共板法蘭配套折方機(jī)、多功能角碼與勾碼沖床。

　　The equipment required for producing common plate flange air ducts includes: multifunctional shearing machine, multifunctional edge biting machine, multifunctional rib pressing machine, common plate flange forming machine, common plate flange matching folding machine, and multifunctional corner code and hook code punching machine.

　　類型對比

　　Type comparison

　　型鋼法蘭制作:

　　Steel flange production:

　　1、下料;2、打孔; 3、焊接; 4、鉆螺孔; 5、上漆防腐。

　　1. Cutting materials; 2. Drilling holes; 3. Welding; 4. Drilling screw holes; 5. Painting and anti-corrosion.

　　以上工藝制作的法蘭盤仍然存在著互換性差的問題，現(xiàn)象有:

　　The flange produced by the above process still has the problem of poor interchangeability, with the following phenomena:

　　法蘭表面不平整，矩形法蘭旋轉(zhuǎn)180度后，與同規(guī)格的法蘭螺孔不重合，內(nèi)邊尺寸或兩對角線的尺寸不相等超過允許的偏差等，影響風(fēng)管部件在施工現(xiàn)場的正常組裝。偏差小的造成在安裝過程中的不必要的修改、打孔;偏差過大造成返工和浪費(fèi)。

　　The surface of the flange is uneven, and after rotating the rectangular flange 180 degrees, it does not coincide with the screw holes of the flange of the same specification. The size of the inner edge or two diagonals is not equal and exceeds the allowable deviation, which affects the normal assembly of the air duct components on the construction site. Unnecessary modifications and drilling during installation caused by small deviations; Excessive deviation leads to rework and waste.

　　共板法蘭制作:

　　Production of common flange:

　　標(biāo)準(zhǔn)直管由流水線上直接壓制成連體法蘭。

　　Standard straight pipes are directly pressed into connected flanges on the assembly line.

　　非標(biāo)直管、彎頭、三通、四通、配件等下料后，在單機(jī)設(shè)備上完成TDF法蘭成型。

　　After cutting non-standard straight pipes, elbows, tees, tees, fittings, etc., TDF flange forming is completed on a single machine equipment.

　　法蘭角由模具直接沖壓成型，安裝時卡在四個角即可。

　　The flange corners are directly stamped and formed by molds, and can be clamped at the four corners during installation.

　　法蘭間的連接用法蘭卡，由鍍鋅鋼板制作，經(jīng)法蘭卡成型機(jī)成型后切割成統(tǒng)一的尺寸供安裝連接使用。TDF共板法蘭因與管道鋼板連成一體，不必像角鋼法蘭般打孔鉚接，在兩節(jié)管道的連接上用專用法蘭卡，四角加90度法蘭角后用螺栓連接。操作簡單，提高了效率，外觀平整、光滑，尺寸準(zhǔn)確，互換性強(qiáng)，產(chǎn)品的質(zhì)量穩(wěn)定。

　　The connection between flanges is made of galvanized steel plates and cut into uniform sizes for installation and connection after being formed by a flange card forming machine. The TDF common plate flange is integrated with the pipeline steel plate and does not need to be drilled or riveted like angle steel flanges. Special flange clamps are used to connect the two sections of the pipeline, and 90 degree flange angles are added to the four corners and bolted together. Easy to operate, improves efficiency, has a flat and smooth appearance, accurate dimensions, strong interchangeability, and stable product quality.

　　發(fā)展趨勢

　　Development Trends

　　美國和歐洲等發(fā)達(dá)從九十年代開始采用風(fēng)管的無法蘭連接，目前此工藝已被廣泛應(yīng)用于各種工程。我國的標(biāo)準(zhǔn) GB50243-2002關(guān)于《通風(fēng)與空調(diào)工程施工及驗(yàn)收規(guī)范》中明確規(guī)定矩形風(fēng)管可以采用無法蘭連接工藝。北京中旅大廈、井飯店、上海貝爾電話公司工程項(xiàng)目均采用無法蘭連接形式，效果良好。

　　Developed countries such as the United States and Europe have been using flange free connections for air ducts since the 1990s, and this process has been widely applied in various engineering projects. The national standard GB50243-2002 of our country specifies that rectangular ducts can use the non flange connection process in the "Code for Construction and Acceptance of Ventilation and Air Conditioning Engineering". The Beijing China Travel Service Building, Wangfujing Hotel, and Shanghai Bell Telephone Company engineering projects all adopt the non blue connection form, and the effect is good.

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