1.通风和空调是将室外新鲜空气和室内回风先处理为满意温度，湿度和新鲜度要求的空气，然后再处理为不满意温度，湿度和湿度要求的空气的全进程。新鲜度回来运用空间并排放到大气中。为了完结空气的进出运送，只需通过风道来完结。一般来说，这些风管大多由镀锌板制成。

　　1. Ventilation and air conditioning are the entire process of processing outdoor fresh air and indoor return air into air with satisfactory temperature, humidity, and freshness requirements, and then processing it into air with unsatisfactory temperature, humidity, and humidity requirements. Freshness is utilized to utilize space and released into the atmosphere. To complete the transportation of air in and out, it only needs to be done through air ducts. Generally speaking, these ducts are mostly made of galvanized sheet metal.

　　2.因为镀锌板资料，加工机器和东西，运送和设备的局限性，体系的风道由许多部分组成，每个部分一般不逾越2m。为了联接它们，有必要在两个风管的接头处树立一个接头。过去，传统办法是在每个风道的两头铆钉两个角钢法兰。联接风管时，两个风管的规范相同。螺栓孔对应的法兰上应拧上螺栓，以抵达风管联接的意图。依据当时的规范和阅历，每米周边接头需求2m以上的角钢，7套螺栓，9个铆钉和1m密封垫。

　　2. Due to the limitations of galvanized sheet materials, processing machines and materials, transportation and equipment, the air duct of the system consists of many parts, each of which generally does not exceed 2 meters. In order to connect them, it is necessary to establish a joint at the junction of the two air ducts. In the past, the traditional method was to rivet two angle steel flanges at both ends of each air duct. When connecting air ducts, the specifications for both ducts are the same. The flange corresponding to the bolt hole should be screwed with bolts to achieve the intention of connecting the air duct. According to the regulations and experience at that time, each meter of surrounding joints required more than 2m of angle steel, 7 sets of bolts, 9 rivets, and 1m of sealing gasket.

　　3.为了改变这种状况，咱们选用通用的板弯法兰，并运用两个风管接头相互咬合，并楔入中心件以联接风管。

　　3. In order to change this situation, we choose a universal bent flange and use two air duct joints to interlock with each other, and wedge the center piece to connect the air ducts.

　　4.依据现场风管的巨细和形状，将其输入核算机并由程序软件进行操控。

　　4. Based on the size and shape of the on-site air ducts, input them into the accounting machine and control them through program software.

　　5.从事各种室内外通风管道，镀锌板通风管道，中央空调通风管道，消防排烟通风管道，集尘净化管道，不锈钢通风管道，螺旋风管，不锈钢螺旋风管，玻镁风管，玻镁复合风管，火克板通风管道，通风工程，人防通风管道，人防工程，净化通风工程，净化风管，硅酸钙板风管，环保通风管道，抗震支架，消声器，静压箱，各种风机，风阀等通风管道设备的制作与安装厂家，数控激光切割机等大型生产设备.

　　5. Engaged in the production and installation of various indoor and outdoor ventilation ducts, galvanized sheet ventilation ducts, central air conditioning ventilation ducts, fire smoke exhaust ventilation ducts, dust collection and purification ducts, stainless steel ventilation ducts, spiral ducts, stainless steel spiral ducts, glass magnesium ducts, glass magnesium composite ducts, fire-resistant sheet ventilation ducts, ventilation engineering, civil air defense ventilation ducts, civil air defense engineering, purification ventilation engineering, purification ducts, calcium silicate board ducts, environmentally friendly ventilation ducts, seismic brackets, mufflers, static pressure boxes, various fans, air valves and other ventilation duct equipment, as well as large-scale production equipment such as CNC laser cutting machines

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