I. Main Uses and Scope of Application

The mine-used wet cyclone dust removal fan is applied to dust-generating work sites in coal mine underground workings, rock excavation tunnels, and shotcrete machines used in bolt-and-spray operations, as well as to coal mining machinery in mining faces—areas where dust concentrations are relatively high. This equipment purifies the dusty air on-site and can partially remove harmful components from the gas, thereby bringing the working environment closer to industrial hygiene standards to a limited extent and protecting workers from exposure to dust and toxic substances.

II. Normal Operating Environment

(1) Altitude not exceeding 1000 m;

(2) Ambient atmospheric pressure: 86 kPa to 106 kPa;

(3) Ambient temperature: 0℃ to +40℃;

(4) Relative humidity: ≤95% (+25℃);

(5) The conveying airflow is permitted to contain explosive gas mixtures of methane as well as coal dust.

(Note: If used under conditions where the altitude exceeds 1,000 m or the maximum ambient temperature exceeds +40℃, the issue may be resolved in accordance with GB 755 regulations or by mutual agreement between the supplier and the buyer.)

3. Product Implementation Standards

This dust removal fan is manufactured in compliance with the following standards: MT/T159-2019 “General Technical Specifications for Mine Dust Collectors,” a coal industry standard, and Q/142700SX YA 007-2025 “KCS Series Mine Wet Dust Removal Fan,” an enterprise standard.

Model and Meaning

Working Principle and Structure

I. Working Principle

This series of mine-used wet cyclonic dust removal fans is an indispensable piece of equipment for capturing coal dust during mining, transportation, and material handling operations in underground coal mines. Its dust-capturing mechanism relies on the fan drawing in dust-laden air, which is then mixed with water mist and subsequently separated to purify the air of dust particles. In this series of mine-used wet cyclonic dust removal fans, water is atomized not by a spray nozzle but rather through the high-speed rotation of a motor that drives a micro-porous cyclonic water-throwing cylinder and an axial-flow impeller. The centrifugal force and the suction effect of the airflow combine to atomize the water and mix it with captured dust particles, forming a suspension that is then fed into a meridional cyclonic separation and dewatering device. Utilizing a composite dust removal mechanism, this fan efficiently separates dust particles from the gas stream—especially respirable dust—and the purified air is discharged into the mine roadway. This unit features compact dimensions, lightweight construction, high dust removal efficiency, low resistance, and low energy consumption. It eliminates the need for the high-pressure spray system typically found in conventional dust collectors and reduces the frequency of maintenance tasks such as regular cleaning and replacement of filter media, filter screens, clogged nozzles, and fiber grid panels within the water purification system. By safeguarding the health of workers and promoting production efficiency, this fan delivers significant economic and social benefits.

II. Schematic Diagram of Equipment External Structure and Installation Diagram

1. Protective mesh 2. Inlet pipeline 3. Water quality filter and pressure regulator valve 4. Inspection/cleaning window 5. Gas-washing spray nozzle 6. Rotating impeller 7. Explosion-proof motor 8. Copper strip protective ring 9. Motor isolation chamber 10. Dehydration device 11. Drain port 12. Duct connector/air outlet 13. Lifting lug 14. Cleaning/inspection window