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　　濟南通風管道從材料選擇到安裝完成，每個環(huán)節(jié)都需遵循嚴格標準，結合本地氣候與建筑需求，打造出適配的通風系統(tǒng)。

　　From material selection to installation completion, strict standards must be followed in every aspect of Jinan ventilation ducts, combined with local climate and building requirements to create a suitable ventilation system.

　　材料篩選與預處理是制作通風管道的基礎。考慮到濟南四季分明、冬季寒冷干燥、夏季高溫多雨的氣候特點，常用材料有鍍鋅鋼板、不銹鋼板、無機玻璃鋼和復合材料等。鍍鋅鋼板成本適中，防腐蝕性能良好，適合普通民用建筑；不銹鋼板則適用于廚房、實驗室等對耐腐蝕性要求高的場所。材料進場后，需仔細檢查表面是否平整、有無劃痕或銹斑，并用清潔劑去除油污和雜質，確保板材潔凈，為后續(xù)加工奠定基礎。

　　Material screening and pretreatment are the foundation for making ventilation ducts. Considering the distinct four seasons, cold and dry winters, and hot and rainy summers in Jinan, commonly used materials include galvanized steel plates, stainless steel plates, inorganic fiberglass reinforced plastic, and composite materials. Galvanized steel sheet has moderate cost, good anti-corrosion performance, and is suitable for ordinary civil buildings; Stainless steel plates are suitable for places with high corrosion resistance requirements such as kitchens and laboratories. After the materials enter the site, it is necessary to carefully inspect the surface for flatness, scratches or rust spots, and use cleaning agents to remove oil stains and impurities, ensuring that the board is clean and laying the foundation for subsequent processing.

　　加工成型環(huán)節(jié)對管道質量起著決定性作用。首先根據(jù)設計圖紙，利用數(shù)控切割機或等離子切割機對板材進行精確裁剪，保證尺寸誤差控制在極小范圍內。裁剪后的板材通過折彎機進行折邊處理，形成管道的側壁與法蘭邊。對于圓形通風管道，需將裁剪好的弧形板材通過卷板機卷制成圓管形狀，再進行焊接或咬口連接。咬口連接是通風管道制作中常用的工藝，通過專用的咬口機將板材邊緣加工成特定形狀，相互咬合后形成牢固的連接，既保證密封性，又避免了焊接可能帶來的變形問題。

　　The processing and forming process plays a decisive role in the quality of pipelines. Firstly, according to the design drawings, use a CNC cutting machine or plasma cutting machine to accurately cut the sheet metal, ensuring that the dimensional error is controlled within a very small range. The cut sheet is folded by a bending machine to form the side walls and flange edges of the pipeline. For circular ventilation ducts, the cut arc-shaped plates need to be rolled into a circular tube shape by a plate rolling machine, and then welded or bite connected. Bite connection is a commonly used technique in the production of ventilation ducts. By using a dedicated bite machine to process the edges of the board into a specific shape, they are interlocked to form a firm connection, ensuring sealing and avoiding deformation problems that may arise from welding.

　　配件制作與組裝完善通風管道的功能性。法蘭是管道連接的重要部件，通常采用角鋼或扁鋼制作，通過焊接或螺栓連接的方式固定在管道兩端。制作好的法蘭需與管道緊密貼合，確保連接后不會出現(xiàn)漏風現(xiàn)象。此外，還需制作彎頭、三通、變徑等管件，以滿足復雜的通風路徑需求。這些管件同樣要經(jīng)過精確的裁剪、成型和連接，保證氣流能夠順暢通過。所有部件制作完成后，在組裝階段要仔細檢查各連接處的密封性，對咬口處或焊接處進行密封處理，可使用密封膠或密封條，防止空氣泄漏影響通風效果。

　　The production and assembly of accessories improve the functionality of ventilation ducts. Flanges are important components for pipeline connections, usually made of angle steel or flat steel, and fixed at both ends of the pipeline by welding or bolt connection. The produced flange should be tightly fitted with the pipeline to ensure that there is no air leakage after connection. In addition, it is necessary to make fittings such as elbows, tees, and reducers to meet the complex ventilation path requirements. These fittings also need to be precisely cut, shaped, and connected to ensure smooth airflow. After all components are manufactured, the sealing of each connection should be carefully checked during the assembly stage. Sealing treatment should be carried out on the bite or welding points, and sealant or sealing strips can be used to prevent air leakage from affecting the ventilation effect.

　　表面處理與質量檢驗是制作工藝的收尾關鍵步驟。為增強通風管道的耐久性，根據(jù)使用環(huán)境進行表面處理，如普通環(huán)境下的鍍鋅鋼板管道可噴涂防銹漆；不銹鋼管道則進行拋光或鈍化處理。處理完成后，嚴格按照相關標準進行質量檢驗，通過外觀檢查管道表面是否平整、連接是否牢固，利用漏光法或漏風量測試設備檢測管道的密封性，確保制作完成的通風管道各項指標符合要求，能夠在濟南的建筑環(huán)境中穩(wěn)定、高效地運行。

　　Surface treatment and quality inspection are the key closing steps of the manufacturing process. To enhance the durability of ventilation ducts, surface treatment should be carried out according to the usage environment. For example, galvanized steel pipes in ordinary environments can be sprayed with anti rust paint; Stainless steel pipes are polished or passivated. After the processing is completed, strict quality inspection shall be carried out in accordance with relevant standards. The surface of the pipeline shall be checked for flatness and firm connection through appearance inspection. The sealing of the pipeline shall be tested using light leakage method or air leakage testing equipment to ensure that all indicators of the completed ventilation pipeline meet the requirements and can operate stably and efficiently in the building environment of Jinan.

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