在钢结构、汽车装备、工程机械等制造车间，多个焊接工位同时作业时，会持续产生大量焊烟粉尘。这类烟尘含有金属氧化物、锰、铬等有害物质，如果只使用单台移动式焊烟净化器，会出现设备分散、风量不足、烟尘逃逸等问题。多工位焊烟除尘设备也就是集中式焊烟净化系统，通过管网将多个焊接点位接入同一套主机，同时处理多个工位产生的焊接烟尘，是大型焊接车间实现车间环境改善、满足环保与职业健康要求的主流装备。

When multiple welding stations work simultaneously in manufacturing workshops such as steel structures, automotive equipment, and engineering machinery, a large amount of welding smoke and dust will continue to be generated. This type of smoke contains harmful substances such as metal oxides, manganese, chromium, etc. If only a single mobile welding smoke purifier is used, problems such as equipment dispersion, insufficient air flow, and smoke escape may occur. Multi station welding smoke dust removal equipment, also known as centralized welding smoke purification system, connects multiple welding points to the same host through pipeline network, and simultaneously processes the welding smoke generated by multiple workstations. It is a mainstream equipment for large welding workshops to improve workshop environment and meet environmental and occupational health requirements.

多工位焊烟除尘设备依靠负压集气、分级过滤、脉冲清灰整套流程完成烟尘净化。焊接产生的烟尘，通过万向吸气臂、集气罩在源头被捕捉，经由管道送入除尘主机。气流首先经过火花拦截与沉降仓，拦截焊渣火星，沉降大颗粒金属碎屑，避免火花引燃滤材，保护后端核心过滤组件。之后含烟尘气体进入滤筒过滤单元，覆膜PTFE滤筒可以高效捕捉亚微米级的焊接细微粉尘，过滤效率可达99.9%以上。设备配置脉冲反吹清灰系统，根据滤筒压差自动喷吹清理附着在滤材表面的粉尘，粉尘落入集灰箱集中收集处理；净化完成后的洁净气体，既可以高空外排，条件合适也可以直接回用于车间，减少车间采暖通风能耗。整套系统配备变频控制系统，可以根据实际投入使用的工位数量调节风机功率，工位全开满负荷运转，部分工位停机时自动降低功率，有效节约电费。

The multi station welding smoke and dust removal equipment relies on a complete process of negative pressure gas collection, graded filtration, and pulse cleaning to complete smoke and dust purification. The smoke and dust generated during welding are captured at the source through a universal suction arm and a gas collection hood, and then sent to the dust removal host through pipelines. The airflow first passes through the spark interception and settling chamber, intercepting welding slag sparks and settling large particle metal debris to prevent sparks from igniting the filter material and protect the rear core filter components. Afterwards, the smoke containing gas enters the filter unit of the filter cartridge. The coated PTFE filter cartridge can efficiently capture submicron welding fine dust, with a filtration efficiency of over 99.9%. The equipment is equipped with a pulse back blowing dust cleaning system, which automatically sprays and cleans the dust adhering to the surface of the filter material according to the pressure difference of the filter cartridge. The dust falls into the dust collection box for centralized collection and treatment; The purified clean gas can be discharged from high altitude under suitable conditions or directly reused in the workshop, reducing the energy consumption of heating and ventilation in the workshop. The entire system is equipped with a frequency conversion control system, which can adjust the fan power according to the actual number of workstations put into use. The workstations are fully open and operate at full load, and some workstations automatically reduce power when stopped, effectively saving electricity costs.

选型采购多工位焊烟除尘设备，不能简单只看工位数量，要结合现场工况综合核算风量与配置。首先统计同时工作的最大工位数量，而不是车间焊机总数量，按照单工位风量预留余量，避免同时开工时吸力不足；其次区分工位类型，手工焊接工位选用万向吸气臂，机器人焊接工位适配顶吸罩或者密闭集气房；管道管路设计十分关键，管路风速要合理，风速过低粉尘容易沉积堵管，风速过高会造成风压损耗大，吸力下降。滤材要匹配焊接材质，不锈钢、镀锌件焊接会产生腐蚀性烟气，要选用耐腐覆膜滤筒。同时要确认火花防护、压差监测、超温报警等安全配置，降低滤筒起火风险，电控系统建议配套PLC触摸屏，方便查看设备运行、清灰、故障状态。很多项目后期效果差，根源就是前期只按焊机台数选设备，没有考虑同时开工系数与管网阻力。

When selecting and purchasing multi station welding smoke and dust removal equipment, it is not enough to simply look at the number of stations, but to comprehensively calculate the air volume and configuration based on the on-site working conditions. Firstly, calculate the maximum number of workstations working simultaneously, rather than the total number of welding machines in the workshop. Reserve a margin based on the air volume of a single workstation to avoid insufficient suction during simultaneous operation; Secondly, distinguish the types of workstations. For manual welding workstations, universal suction arms are selected, while for robot welding workstations, top suction hoods or sealed gas collection rooms are adapted; The design of pipeline is crucial, and the wind speed of the pipeline should be reasonable. If the wind speed is too low, dust can easily deposit and block the pipeline. If the wind speed is too high, it will cause significant wind pressure loss and a decrease in suction. The filter material should match the welding material. Welding stainless steel and galvanized parts will produce corrosive fumes, so corrosion-resistant coated filter cartridges should be selected. At the same time, it is necessary to confirm safety configurations such as spark protection, differential pressure monitoring, and over temperature alarm to reduce the risk of filter cartridge fire. It is recommended to equip the electrical control system with a PLC touch screen for easy viewing of equipment operation, dust cleaning, and fault status. Many projects have poor results in the later stage, and the root cause is that in the early stage, equipment was only selected based on the number of welding machines, without considering the simultaneous operation coefficient and pipe network resistance.

日常规范维护是设备长期稳定运行的关键。需要定期检查吸气臂、集气罩位置，保证罩口尽量靠近焊接起弧点，远离气流干扰；定期清理火花拦截模块和集灰桶，灰箱积灰过多会增大系统阻力；关注设备压差读数，压差异常升高，说明滤筒堵塞，压差过低要检查管路、滤筒是否存在破损泄漏；压缩空气气源做好除水除油，保障脉冲清灰效果。严禁在设备运行状态下拆除检修门，日常巡检中及时处理管道漏风点，防止除尘效果大打折扣。如果长期忽视维护，会出现吸力下降、烟尘弥漫、滤筒提前报废，既影响工人职业健康，也无法通过环保核查。

Daily standardized maintenance is the key to the long-term stable operation of equipment. It is necessary to regularly check the position of the suction arm and gas collection hood to ensure that the hood opening is as close as possible to the welding arc starting point and away from airflow interference; Regularly clean the spark interception module and ash collection bin, as excessive ash accumulation in the ash box can increase system resistance; Pay attention to the pressure difference reading of the equipment. If the pressure difference rises abnormally, it indicates that the filter cartridge is blocked. If the pressure difference is too low, check whether the pipeline and filter cartridge are damaged or leaking; Compressed air source is used to remove water and oil, ensuring the effectiveness of pulse cleaning. It is strictly prohibited to remove the maintenance door while the equipment is in operation. During daily inspections, timely handling of pipeline air leakage points is necessary to prevent the dust removal effect from being greatly reduced. If maintenance is neglected for a long time, suction will decrease, smoke and dust will diffuse, and the filter cartridge will be scrapped in advance, which will not only affect the occupational health of workers but also fail to pass environmental inspections.

相比每个工位单独配置移动式净化器，多工位焊烟除尘集中系统，便于统一运维管理，减少设备数量，车间布局更加整洁，尤其适合批量连续生产的重工、钢结构、汽车零部件焊接车间。一套合理设计的多工位焊烟除尘设备，既可以满足环保排放指标，也能够降低车间内粉尘浓度，保护一线焊接操作人员的身体健康，为企业安全生产保驾护航。

Compared to configuring a mobile purifier separately for each workstation, the multi workstation welding smoke and dust removal centralized system facilitates unified operation and maintenance management, reduces the number of equipment, and makes the workshop layout cleaner. It is particularly suitable for heavy-duty, steel structure, and automotive parts welding workshops that produce continuously in batches. A well-designed multi station welding smoke and dust removal equipment can not only meet environmental emission standards, but also reduce dust concentration in the workshop, protect the health of frontline welding operators, and safeguard the safety production of enterprises.

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