涂布无尘车间投入使用后，哪些地方必须“常体检”？

建成投产只是开始，想让涂布无尘车间始终“稳、准、净”，关键在于日常维护。把它当成一台高精度设备，以下六大部位就是“体检表”上的重点项目——每少做一次，良品率就可能掉一次。

1. 空气过滤系统：先查“口罩”再查“肺活量”

• 滤网更换：初效每1–2个月清洗或更换，中效每3–6个月更换，高效（HEPA/ULPA）在终阻力≥2×初阻力或扫描发现渗漏时立即更换。  

• 压差巡检：每日记录初、中、高效前后压差，低于设定值即提示滤网破损或风机异常。  

• 风速复核：层流区每季度用热线仪抽检一次，风速偏离0.35–0.45m/s 即需调节FFU转速。

2. 温湿度与气流：别让“空调”变“空调房”

• 传感器校准：温湿度探头每半年做一次两点校准，防止±2℃/±5%RH的漂移。  

• 气流组织：每周观察烟雾示踪，确认无涡流死角；回风格栅堵塞率>30%需立即清理。  

• 冷凝水盘：每月排空并消毒，防止积水滋生霉菌导致二次污染。

3. 地面与壁面：静电和颗粒的“落脚点”

• 清洁频次：百级区域地面每日吸尘+湿拖，万级区域可隔日一次；清洁剂须低泡、无残留。  

• 导电测试：每季度用兆欧表检测地面电阻10⁴–10⁹Ω，超范围立即做导电修复。  

• 壁面除尘：顶棚、灯具、送回风口每周干擦一次，防止积尘二次飞扬。

4. 设备本体：产尘源也可能是“污染源”

• 涂布机保养：停机后先用离子风枪吹扫，再用无尘布+DI水擦拭辊筒，防止浆料结皮成为颗粒源。  

• 传动部件：每月检查皮带磨损，掉屑是万级区颗粒超标的主因之一。  

• 化学品管理：溶剂桶密封、标签、二次容器“三查”——漏一滴就可能让VOC报警器长鸣。

5. 人员与物流：把“人”和“物”变成可控变量

• 更衣流程：风淋室风速<20m/s或喷嘴堵塞立即报修；洁净服清洗后需在10万级环境下晾干。  

• 传递窗消毒：每日紫外灯照射≥30min，并记录累计使用时间，灯管衰减20%即更换。  

• 人流计数：通过门禁系统统计每日进出人数，异常高峰提示清洁或过滤系统负荷增大。

6. 消防与安全：隐患零容忍

• VOC 探头校准：每半年用标准气体对比测试，漂移>±5 立即标定。  

• 灭火系统：气体灭火瓶压力每季度巡检一次，泄压口无遮挡、喷嘴无堵塞是硬指标。

安思迪提醒：维护不是“大扫除”，而是“预防医学”。安思迪为客户提供一站式服务，从设计到施工，从建设到维护培训。把专业的事交给专业的人，您只需专注生产。

Post-Commissioning: The Six-Point Health Check for a Coating Cleanroom

Commissioning is only the birth certificate. To keep a coating cleanroom “stable, accurate, and clean,” treat it like a high-precision machine. The six sections below form the mandatory service card—skip one, and yield can drop.

1. Air Filtration System – Masks and Lung Capacity First  

• Filter replacement: primary every 1–2 months, secondary every 3–6 months, HEPA/ULPA when final resistance ≥2×initial or leak-scan fails.  

• Differential-pressure patrol: log ΔP across each filter daily; values below set-point indicate rupture or fan fault.  

• Air-velocity check: quarterly hot-wire measurement in laminar zones; deviation from 0.35–0.45 m/s triggers FFU speed adjustment.

2. Temperature, Humidity & Airflow – Keep HVAC, Not “Room-AC”  

• Sensor calibration: bi-annual two-point check of T/RH probes to prevent ±2 °C / ±5 %RH drift.  

• Airflow pattern: weekly smoke-visualisation to confirm no dead zones; return-grille blockage >30 % cleaned immediately.  

• Condensate pan: monthly drain and disinfect to prevent mould-induced re-contamination.

3. Floors & Walls – Landing Zones for Static & Particles  

• Cleaning frequency: Class 100 zones vacuumed and wet-mopped daily; Class 10 000 every second day; detergents low-foam, residue-free.  

• Conductivity test: quarterly megohm measurement of floor 10⁴–10⁹ Ω; out-of-range zones receive conductive repair.  

• Wall/ceiling dusting: weekly dry-wipe of ceiling, luminaires and return grilles to prevent re-entrainment.

4. Equipment Itself – A Potential Particle Source  

• Coater maintenance: after shutdown, ionise-blow followed by lint-free cloth + DI-water wipe of rolls; prevents dried slag becoming particulate.  

• Drive elements: monthly belt-wear check; fibre shedding is a prime cause of Class 10 000 particle excursions.  

• Chemical management: triple-check solvent drums—seal, label, secondary containment; one drop can trigger VOC alarms.

5. Personnel & Logistics – Turning “People & Goods” into Controlled Variables  

• Gowning protocol: air-shower wind-speed <20 m/s or nozzle blockage → immediate repair; garments dried in Class 100 000 area post-laundry.  

• Pass-box disinfection: UV lamp ≥30 min daily; log cumulative hours, replace when output drops 20 %.  

• Personnel census: access-control head-counts flag abnormal peaks, signalling cleaning or filter overload.

6. Fire & Safety – Zero Tolerance for Hazards  

• VOC probe calibration: semi-annual reference-gas check; drift >±5 % → immediate recalibration.  

• Suppression system: gas-bottle pressure logged quarterly; relief vents unobstructed, nozzles clear—non-negotiable.

Anside Reminder: Maintenance is preventive medicine, not spring-cleaning.  

Anside provides turnkey services—from design and construction to maintenance training—so you can focus on production while we keep the room in peak health.