焊烟除尘设备的基本原理

The basic principle of welding smoke dust removal equipment

　　焊烟除尘器，又称焊烟吸尘器，是通过滤净化方式将电焊、保护焊、氩弧焊等烧焊过程中产生的废渣、有毒有害气体吸收吸收和处理的设备，通过焊烟除尘器可防止气体污染，减少有害物质对操作工人的健康侵害，防止职业病，主要是电焊尘肺等的发生。

Welding smoke dust collector, also known as welding smoke vacuum cleaner, is a device that absorbs and processes waste residue, toxic and harmful gases generated during welding, protective welding, argon arc welding, and other welding processes through filtration and purification. Through welding smoke dust collector, gas pollution can be prevented, harmful substances can be reduced to the health of operators, and occupational diseases, mainly welding pneumoconiosis, can be prevented.

　　结构组成

Structural composition

　　主要部件包括：万向吸尘臂、耐高温吸尘软管、吸尘罩（带风量调节阀）、阻火网、阻燃高效滤芯、脉冲反吹装置、脉冲电磁阀、压差表、洁净室、活性碳过滤器、沉灰抽屉组合、阻燃吸音棉、带刹车的新韩式脚轮、风机以及电控箱等。

The main components include: universal vacuum arm, high-temperature resistant vacuum hose, vacuum hood (with air volume control valve), flame retardant mesh, flame-retardant and high-efficiency filter element, pulse backwash device, pulse solenoid valve, pressure differential gauge, clean room, activated carbon filter, ash drawer combination, flame-retardant sound absorbing cotton, new Korean style casters with brakes, fan, and electrical control box.

　　通过风机引力作用，焊烟废气经万向吸尘罩吸入设备进风口，设备进风口处设有阻火器，火花经阻火器被阻留，烟尘气体进入沉降室，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出。

Through the gravitational force of the fan, the welding smoke exhaust gas is sucked into the equipment inlet through the universal vacuum hood. A flame arrester is installed at the equipment inlet, and sparks are blocked by the flame arrester. The smoke and dust gas enters the settling chamber. By using gravity and upward airflow, the coarse dust is first directly lowered to the ash hopper, and 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. The clean air is further purified by the activated carbon filter and discharged after reaching the standard through the outlet.

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