The fabric duct ventilation duct is mainly used to connect indoor ventilation between two locations, and has the function of natural ventilation and ventilation. Now the more common use on the market is the fabric air duct ventilation duct. Fabric air duct ventilation ducts in the processing and sales market are generally divided into: hot-dip galvanized fabric air duct air duct, fabric air duct air duct, composite fabric air duct air duct according to the material. During this period, the common plate flange pipe has a high performance-price ratio and a wide range of applications. The characteristics of the galvanized sheet fabric duct ventilation duct are basically the same as those of the fabric duct ventilation duct. Fabric air ducts and composite air ducts are generally used in outdoor natural environments, and the requirements for ventilation air ducts are not too high. Exhaust air, including ventilation, such as fresh air supply and exhaust pipe, is very broad; for example, factory workshop, production site gas, due to the production of harmful substances, it needs to be discharged to the outside, and it is required to transport the outdoor gas to the room. At this time, the air duct processing plant needs to use the air pipeline with large total flow and low working pressure. The fabric air duct air duct is available. Generally, the hot-dip galvanized air duct is used, and the common plate flange is used in the place with corrosion, especially in the humid place. duct. Air supply and cooling are generally pipes of household central air conditioners, which require the addition of thermal insulation materials. The utility model can be attached with a fabric air duct and air duct thermal insulation material, and the surface is beautiful and generous. There is a lot of kitchen fumes in the restaurant kitchen of hotels and restaurants, and it is required to be discharged. The application of the annular ventilation pipe is the fumes from the fume extractor. Fabric ducts with this effect are mostly called kitchen fume ducts. Remove dust. Some processing factories have a lot of dust in the production workshop, which requires professional dust removal equipment. For pipes with large air volume, fabric air ducts can be used. Fabric duct pipes can also be used for bulk material conveying. In the whole production process of some processing plants, it is required to transport loose particles, especially foamed plastic particles. The fabric air ducts produced by our company include hot-dip galvanized fabric air ducts, fabric air ducts and fabric air ducts. You also know something about fabric duct ducts. Therefore, compared with other ducts, what are the advantages of installing fabric duct ducts in catering ventilation ducts? Let's take a brief look. Installing fabric air ducts can greatly reduce pipeline nodes and reduce pipe leakage. Only one tee joint can be used to connect two fabric air ducts, while the use of vertical kitchen fume purification devices to connect rectangular square pipes usually requires a complete Independent double-layer flange system software. The round steel pipe with a diameter of 200mm in the indoor space of the same equipment cannot increase the total loss, and can replace the rectangular square steel pipe with a diameter of 250×150mm. In plant environmental protection and ventilation projects, many round steel pipes with horizontal planes can replace flat square steel pipes, but they cannot improve the rating of the indoor space of machinery and equipment. In most cases, when this factor is fully considered, annular ducts take up less interior space than rectangular ducts. Under the same working pressure characteristics, the internal space of multiple round steel pipes is usually not less than or equal to the rectangular square pipe. Many rectangular square pipe systems require four anchor bolts, so there must be 40~80mm of lift in each direction of the pipe. High-precision tooth occlusion shape technical requirements: The mold shell used in imported products is of special steel structure. Even if it has been used for three to five years, the shape of the limited mold remains unchanged. The basement ventilation project makes the shape of the galvanized sheet not damaged, greatly The service life of the seamless steel pipe is increased. In addition, the joints are well-proportioned and clean, the occlusion is firm, the adhesion is strong, and the sealing performance is good. The construction steel bar technology with relatively limited refined threads makes the fabric duct air duct have good compressive strength. After adding the threaded metal bellows, the interdental occlusion thin wall is 4 times thinner than the pipe body, and the rigidity is large, which has a strong advantage. , can withstand large working pressure loads and high-quality deformation, the thickness of raw materials can be reduced by 15%, and the cost can be reduced by 15%. When the total cross-sectional area is the same, the rectangular square pipe with an aspect ratio of 1:3 has a circumference that is 40% larger than the circumference of the fabric duct and 40% larger than the circumference of the fabric duct. Also, due to the circle on the spiral tube, the thermal insulation material can also be relatively reduced.
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