The principle of Venturi effect is that when the wind blows through the blocker, the pressure near the upper end of the leeward surface of the blocker is relatively low, resulting in adsorption and air flow. In fact, it is to change the air flow from coarse to fine, so as to speed up the gas flow, so that the gas at the venturi outlet of the outer ring to form a low-pressure zone.
It can use airflow to achieve the delivery of powder. Mainly to use its injection effect, such as vacuum cleaner, powder delivery, cooler, flow meter, dryer and so on. The injection pump of the chemical industry is also the principle, so the material mainly depends on the application place, and there are various kinds of iron, aluminum alloy and plastic nylon.
The iron venturi is generally used on the dust-removing skeleton and on the filter cartridge. It is usually made of 1mm thick steel plate by one-time stretching. Its characteristics are smooth appearance, stable quality, reliable, effective to improve the working efficiency of the dust collector and the service life of the filter bag.