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معدات إزالة التلوث للموظفين والمواد
Fixed بوابة التفجير
A fixed doorless blow-off portal that directs filtered air across personnel at a compact doorway without creating a full enclosed air-shower chamber.
- Doorless Fixed Portal
- Side-Mounted Blow-Off Nozzles
- Compact Doorway Treatment
- Open High-Speed Passage
مقدمة المنتج
The fixed doorway blow-off portal is a permanent doorless open frame around a personnel opening, not a closed booth or a tall enclosed filtration tower. Compact side casings contain the air equipment and nozzle manifolds, while an overhead bridge ties the two posts together. Presence sensing can activate the blow-off airflow as personnel cross the open portal, providing a practical dust-removal point where a full airlock is not required.
الخصائص الرئيسية
Side-mounted blow-off nozzles direct air across the passing person.
An overhead bridge aligns the two portal posts and protects routed wiring.
Lower inlet sections collect part of the disturbed dust close to footwear level.
Presence sensing can reduce operation when the passage is unoccupied.
مخاوف المنتج للعملاء
A fixed open portal must fit a shallow doorway while delivering useful airflow and retaining a stable structural connection to the surrounding partition.
The site does not have depth for a two-door chamber.Blow-off components are packaged in slim side casings around the existing opening.
Fast-moving personnel receive very brief airflow exposure.A closely spaced nozzle array can cover the crossing zone while presence sensing activates the system.
Two independent posts can lose alignment over time.A rigid overhead bridge and fixed anchors tie both posts into one portal frame.
A full enclosed unit would obstruct a busy passage.The doorless format preserves an open high-speed walking route.
تطبيقات نموذجية
Doorless electronics gowning routesCompact laboratory entrancesTemporary clean-booth accessHigh-throughput personnel crossings
المعلمات الفنية
Typical structural ranges for a fixed doorless blow-off portal are shown below.
| المواد الأساسية | Fixed powder-coated steel portal with side-mounted filtered-air blow-off manifolds, lower inlet sections and a reinforced overhead bridge |
|---|---|
| سمك اللوحة | 1.0-1.2 mm side-casing and bridge panels |
| العرض الفعال | 900-1400 mm clear doorless opening |
| الحد الأقصى الطول | Up to 1800 mm overall portal span |
| الصلب يواجه سمك | 1.0-1.2 mm formed steel sheet at the posts and bridge |
| الكثافة الأساسية | 30-45 kg/m³ acoustic PET-fibre infill in the side equipment casings |
| الموصلية الحرارية | 0.034-0.040 W/(m·K) for the acoustic casing infill |
| إنهاء السطح | White powder-coated portal with brushed stainless nozzle and inlet faces |
| نوع المشترك | Bolted post-to-bridge connections with fixed base anchors and removable service covers |
| التخصيص | متوفر على أساس التطبيق المقصود وبيئة التشغيل. |
الخيارات المتاحة
Standard or widened clear openingPresence sensor and status lightFixed base plates or wall bracingIntegrated ionising bar
Planning a Fixed Doorway Blow-Off Portal specification?
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