[Tianjin Jinzhong Ji HVAC purification equipment to recommend the star product - Ventilation ducts] duct air conditioning system should meet the following requirements: 1) rectangular duct side length is less than or equal to 900mm, the bottom of the panel should not have to fight seams greater than 900mm, should not have the lateral seam; 2) used duct bolts, nuts, washers and rivets shall be used to match the performance of the pipe, no refrigeration room electrochemical corrosion of materials engineering, or galvanized or other anti-corrosion measures taken, and shall not use blind rivets; 3) should not be equipped with reinforced frame and duct reinforcement bars, duct flange connection can not not use S-shaped cutting, angle cutting and vertical joint angular Cuttings; 4) air cleanliness level of Class 1 to 5 air conditioning system shall not be used duct seams snap; 5) Duct cleaning may not be used for human and material hazardous cleaners; 6) galvanized galvanized steel duct shall have severely damaged layer phenomena, such as the surface of a large area of ??white, pink and so the zinc layer. [Tianjin Jinzhong Ji HVAC purification equipment to recommend the star product -] laminar flow (Laminar) laminar air flow into a linear movement of a uniform, the air from the coverage of 100% of the filter into the room, by Raised floor or wall panels on both sides back to the wind, this type is suitable for cleanroom high level of need given the environment, the general level of its clean room for Class 1 ~ 100. Its type can be divided into two kinds: (1) horizontal laminar flow: horizontal air blown from the filter in one direction, from the right side wall of the return air system back to the wind, dust and wind to exhausted to the outside plant cooling projects, usually in dirty pollution is more serious side. Advantages: simple structure, after running a short time to become stable. Cons: construction costs than the type of high turbulence, interior space is not easy to expand. (2) vertical laminar flow: room ceiling completely covered with ULPA filter purification plant project, the air blowing from the top down, you can get a higher degree of cleanliness projects in the manufacturing process or dust generated by staff can be quickly exhausted to the outside and will not affect the other work areas. Advantages: easy to manage, you can start up to steady state operation in a short time, the impact is not easy job status or job personnel. Disadvantages: higher cost structure, flexible use of space problems, the ceiling of the hanger considerable space, maintenance and replacement filter more trouble. Purification plant engineering, engineering Tianjin, Tianjin Jinzhong Ji decontamination company provided by the Tianjin Jinzhong Ji HVAC purification equipment. Tianjin Jinzhong Ji HVAC purification equipment Limited (www.Jzjnt.com) strong, credible, in Tianjin fans, ventilation equipment industry has accumulated a large number of loyal customers. The company better work attitude and constantly improving innovative ideas will lead the group into the brilliant and you work for a better future!