Air-water mixing jet flow dust removing fan

Abstract

An air-water mixing jet flow dust removing blower comprises a support (1), wherein a wind guide drum (2) is arranged on the support (1), an air-water mixing jet flow device is arranged on the right side of the air inlet of the wind guide drum (2) and inside the wind guide drum (2), the air-water mixing jet flow device comprises an air-water mixing pipe (3), the air-water mixing pipe (3) is axially arranged along the wind guide drum (2), an air-water mixing jet nozzle (4) is arranged at the right end of the air-water mixing pipe (3), a water inlet is formed on the side wall of the air-water mixing pipe (3), the water inlet of the air-water mixing pipe (3) is connected with a water pump through a water transportation pipeline (5), the left end of the air-water mixing pipe (3) is connected with an air-water mixing box (6) positioned inside the wind guide drum (2), the air-water mixing box (6) is connected with an air pump through a gas transportation pipeline (8), and the air inlet of the wind guide drum (2) is connected with the outlet of a negative pressure dust sucking box (9). The invention aims to provide the air-water mixing jet flow dust removing blower which consumes less water, can treat a large amount of gas, and is high in dust removing efficiency.

Description

technical field [0001] The invention relates to an air-water mixed jet flow dedusting fan. Background technique [0002] According to the requirements in the "Coal Mine Safety Regulations" and "Standardization of Ventilation Quality", dust removal devices must be used in the anchor shotcrete roadway of the excavation face to control the dust in the high dust production area during the spraying operation to optimize the working environment. The dust removal device widely used in coal mines is the water jet dust removal fan. It uses pressure to let water jet the air in the air guide tube from the nozzle at high speed and push it to flow toward the outlet, so that the pressure difference between the two ends of the air guide tube is generated, so that the air is collected. The inside of the device is in a negative pressure state, and the air containing dust will be sucked into the air collector and flow from the air collector to the air duct. The harmful dust in the air is mixe...

AI Technical Summary

Problems solved by technology

However, the existing water jet dedusting fan only relies on water injection to generate negative pressure in the air guide tube. Because the water droplets in the jet are large and unevenly distributed, the existing water jet dedusting fan has less air suction and water consumption. Larger, poor dust removal effect

It can be seen from the on-site observation that during the operation of the shotcrete machine, the dust in the coal mine roadway is flying, which seriously affects and restricts the improvement of the comprehensive dust control management level

Images