螺旋风管是一种由金属胶带制成的螺旋缝薄壁管材。圆形，不焊接，不漏气，不漏水。主要用于送风和散货运输，取代了传统的白铁管(即手工咬缝铁管)。它是一种风道，全机构，直管不需要手动敲。其主要用途如下:
Spiral air duct is a kind of spiral seam thin-walled pipe made of metal tape. Round, no welding, no air leakage, no water leakage. It is mainly used for air supply and bulk cargo transportation, replacing the traditional white iron pipe (i.e. manually seamed iron pipe). It is an air duct with full mechanism, and the straight pipe does not need to be knocked manually. Its main uses are as follows:
(1)空气供给
(1) Air supply
包括通风，如新风的送风和排风，这个范围很广，如工厂、车间、生产现场的空气，由于生产的有害气体需要排到室外，同时也需要把室外的空气送到室内。此时，采用大流量和低压的空气管道，螺旋风管合适，一般采用镀锌铁管，腐蚀性和特别潮湿的地方采用不锈钢管。
It includes ventilation, such as fresh air supply and exhaust, which covers a wide range, such as the air in factories, workshops and production sites. Because the harmful gas produced needs to be discharged outdoors, it also needs to send the outdoor air indoors. At this time, large flow and low-pressure air pipes are used, spiral air pipes are suitable, galvanized iron pipes are generally used, and stainless steel pipes are used in corrosive and particularly humid places.
(2)送风
(2) Air supply
把寒冷的空气。常见的是空调管，需要添加保温材料。螺旋风管可粘贴保温材料，美观大方。
Put the cold air. Common is the central air-conditioning pipe, which needs to add insulation materials. Spiral air duct can be pasted with thermal insulation materials, which is beautiful and elegant.
(3)排油烟
(3) Exhaust lampblack
餐厅、餐厅、酒店的厨房有大量的炊烟，需要排出，使用的是圆形风管的烟囱。在这里，螺旋管应该被称为油烟。
There is a large amount of cooking smoke in the kitchen of restaurants, restaurants and hotels, which needs to be discharged. The chimney with round air duct is used. Here, spiral pipe should be called lampblack.
(4)除尘
(4) Dust removal
有些工厂车间粉尘较多，需要专门的除尘装置。螺旋风管适用于空气流量大的管道。
Some factory workshops have a lot of dust, so special dust removal devices are needed. Spiral air duct is suitable for pipes with large air flow.
(5)散货运输
(5) Bulk cargo transportation
在一些工厂的生产过程中，需要运输松散的颗粒，特别是比重较小的颗粒，如泡沫塑料颗粒。螺旋风管成本低，效果好。
In the production process of some factories, it is necessary to transport loose particles, especially particles with small specific gravity, such as foam particles. Spiral air duct has low cost and good effect.
The above is a detailed introduction about Shandong ventilation duct, which I hope will be helpful to you If you have any questions, please contact us We will provide you with professional service http://www.jntfgd.com
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