| 摘要 |
FIELD: equipment for rendering harmless or for keeping off harmful chemical agents, particularly for protecting people' respiratory apparatuses against poison matters. ^ SUBSTANCE: installation for air curtain forming includes air blower and jet distribution means made as body with air discharging slot-like nozzle extending in vertical direction arranged in upper body part. Nozzle has contraction inlet part. Movable jet distribution means are connected one after another by hinges. Air blower is inserted into each jet distribution means and formed as axial-flow fan arranged in front of each contraction inlet nozzle part such that fan axis extends in vertical direction and coincides with nozzle center. Body of jet distribution means is made as cubical frame and has one solid vertical wall contacting ground and facing towards approach air flow containing toxic or poisonous matter. ^ EFFECT: increased protection efficiency. ^ 2 dwg
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