走进一个没有安装旱烟除尘器的焊接车间，刺鼻的烟味扑面而来，空气中弥漫着灰色的烟雾，工人的口罩很快就被熏黑。焊接过程中产生的烟尘含有大量微细金属颗粒和有害气体，长期吸入会严重危害工人健康。旱烟除尘器正是守护焊接工人呼吸健康的“呼吸守护者”。

Walking into a welding workshop without a dry smoke dust collector installed, a pungent smoke smell hit the face, and gray smoke filled the air. The workers' masks were quickly smoked black. The smoke and dust generated during the welding process contain a large amount of fine metal particles and harmful gases, which can seriously harm the health of workers if inhaled for a long time. The dry smoke dust collector is the "respiratory guardian" that protects the respiratory health of welding workers.

旱烟除尘器，又称焊烟净化器或电焊烟尘净化器，是一种专门用于收集和净化焊接、切割、打磨等过程中产生的烟尘的工业环保设备。其工作原理基于多种除尘机制的协同作用。当含尘气流进入除尘器后，首先通过导流装置被引导至特定区域。较大的烟尘颗粒因惯性作用无法随气流改变方向，会撞击到挡板上，失去动能后下落至集尘斗——这一过程称为惯性除尘。对于较小的颗粒（通常直径在10微米以下），则通过滤筒或滤袋的拦截作用加以捕集。

Dry smoke dust collector, also known as welding smoke purifier or welding smoke purifier, is an industrial environmental protection equipment specifically used to collect and purify the smoke and dust generated during welding, cutting, polishing and other processes. Its working principle is based on the synergistic effect of multiple dust removal mechanisms. When the dusty airflow enters the dust collector, it is first guided to a specific area through a guiding device. Larger smoke particles cannot change direction with the airflow due to inertia, and will collide with the baffle, lose kinetic energy, and fall into the dust collector - this process is called inertial dust removal. For smaller particles (usually with a diameter of less than 10 microns), they are captured by the interception effect of filter cartridges or filter bags.

以滤筒除尘器为例，含旱烟粉尘的气体在风机引力作用下被吸入除尘器内部。进风口处设有阻火器，可有效阻留焊接火花。烟尘气体进入沉降室后，利用重力与上行气流，首先将粗粒尘直接降至灰斗，微粒烟尘被滤芯捕集在外表面。洁净气体经滤芯过滤净化后，由滤芯中心流入洁净室，洁净空气又经活性碳过滤器吸附进一步净化后经出风口达标排放。滤筒采用聚酯、PTFE或纳米纤维材料，过滤效率可高达99%以上。部分设备还设计了二级过滤——一级为大颗粒火星的过滤，二级为细小粉尘的过滤。

Taking the filter cartridge dust collector as an example, the gas containing dry smoke dust is sucked into the interior of the dust collector under the gravitational force of the fan. There is a flame arrester installed at the air inlet, which can effectively block welding sparks. After entering the settling chamber, the smoke and dust gas utilizes gravity and upward airflow to first directly lower the coarse dust into the ash hopper, while the fine smoke and dust are captured on the outer surface by the filter element. After being filtered and purified by the filter element, the clean gas flows into the clean room from the center of the filter element, and the clean air is further purified by adsorption through the activated carbon filter before being discharged through the air outlet to meet the standard. The filter cartridge is made of polyester, PTFE or nanofiber materials, and the filtration efficiency can reach over 99%. Some devices are also designed with secondary filtration - the first stage is for filtering large particles of Mars, and the second stage is for filtering small dust.

从产品类型来看，旱烟除尘器主要分为移动式和集中式两大类。移动式旱烟除尘器具有可移动性，吸气臂可360度任意旋转，能随时悬停并固定，可根据作业位置灵活调整。集中式旱烟除尘器则通常用于大型工厂或车间，可同时处理多个作业点产生的烟尘。焊接烟尘净化机由净化器、吸气臂和吸气罩组成，净化器一般分上中下三箱体。无论是移动式还是集中式，旱烟除尘器都在用科技的力量守护着每一位焊接工人的呼吸健康。

From the perspective of product types, dry smoke dust collectors are mainly divided into two categories: mobile and centralized. The mobile dry smoke dust collector has mobility, and the suction arm can rotate 360 degrees freely, hover and fix at any time, and can be flexibly adjusted according to the working position. Centralized dry smoke dust collectors are usually used in large factories or workshops, which can simultaneously process smoke and dust generated by multiple operating points. The welding fume purifier consists of a purifier, a suction arm, and a suction hood. The purifier is generally divided into three boxes: upper, middle, and lower. Whether mobile or centralized, dry smoke dust collectors are using the power of technology to safeguard the respiratory health of every welding worker.

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