Electric foot pedal dual-purpose fan

Electric foot pedal dual-purpose fanIt is an essential equipment for using poison filtering ventilation protection in civil air defense works and air defense basements when the power supply is destroyed during wartime and the enemy uses atomic, chemical, or bacterial weapons.

Electric foot pedal dual-purpose fanIt is a type of civil air defense equipment that is essential for filtering ventilation protection when the power supply of civil air defense fortifications and air defense basements is destroyed during war, and the enemy uses atomic, chemical, or bacterial weapons. The key technical indicators are to ensure that the filtering ventilation requirements of 400 person units can be met under human driven conditions during war. At the same time, considering the combination of flat and wartime, electricity can be used as civil defense works for underground hotels, restaurants, and shopping malls for ventilation and air exchange.

working conditions

1. During war (foot pedal drive)

Driven by four people, the foot pedal speed is n=40r/min, the air flow rate is Q ≮ 1200m ³/h, and the air pressure (total pressure) is P ≮ 120mmH2O.

2. Normally (electric)

Drive with Y90S-4 motor (motor power) N=1.1KW, n=1400r/min, power supply is three-phase 380V, Q=2600-3060m ³/h, P=90-60mm H2O.

Installation of electric pedal fan

1. Before installation, carefully check the connection parts of the ventilation fan and whether there is any rubbing between the blades and the casing. Correct the gap size between the air outlet and the impeller according to the diagram, and keep it in a horizontal position.

2. If the rack is packed in bulk, the bulk parts should be assembled into the rack according to the DJF type fan external dimension diagram first. Then, the rack and gearbox should be fixed in place at a total of 11 anchor bolt sizes according to the diagram, and the two axes should be concentric as much as possible. A circular sales pitch should be installed on the "hinge coupling" at its connection. Follow the user manual for maintenance and trial operation of electric and pedal changing conditions (with the condition changing handle set on the side of the gearbox).

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