Main Features of Mine Main Ventilation Fan
1. Impeller Arrangement: Uses a direct coupling structure with the motor, with the impeller fixed by a shaft and hub key connection.
2. The complete fan assembly includes a reducer connection duct, collector, electric/manual butterfly valve (with electric heating), connection duct, primary main unit, secondary main unit, explosion-proof variable frequency motor, diffuser, round-to-square transition, silencer, diffusion tower, brake device, and support wheels.
3. The fan is equipped with an integrated manual and automatic braking device, capable of normal start-up and reverse airflow within 5 minutes, with a reverse airflow rate greater than 60% of the forward airflow volume.
4. The fan is optimized and customized based on parameters provided by the user to ensure high efficiency operation during both initial and later stages.
5. The fan casing is made of welded Q235 steel plates. Before leaving the factory, it is coated with two layers of epoxy zinc-rich primer and one layer of epoxy zinc topcoat, with all bolts galvanized.
6. The silencing perforated plates are made of galvanized sheet material, effectively extending service life and reducing replacement costs.

Shanxi Jinyun'an Fan Co., Ltd. (formerly Shanxi Yun'an Fan Manufacturing Co., Ltd.) is located in the Yuncheng Economic and Technological Development Zone. Established in 2013, with a registered capital of 50 million yuan, covering an area of 46,000 square meters, and fixed assets exceeding 36 million yuan. The company currently employs over 120 staff, including 20 engineering and technical personnel. It has long-term cooperation with research institutions such as Northwestern Polytechnical University, Taiyuan University of Technology, and China University of Mining and Technology for technical research and development, and employs experts and professors as R&D consultants to keep up with industry trends and continuously strengthen technological innovation. The company is equipped with complete production and testing equipment, including over 180 sets of advanced processing and manufacturing equipment such as laser cutting machines, automatic welding equipment, CNC bending machines, shearing machines, plate rolling machines, CNC lathes, dynamic balancing machines, and fan performance testing stations. It is a professional fan manufacturing enterprise integrating R&D, production, sales, and after-sales service.

The company's main business includes the design, research and development, and manufacturing of various ventilation fans and supporting products for mines, non-coal mines, and rail transit. The product range covers 38 series of fans including FB(D) series, FBC(D)Z series, FKZ series, rail transit SDS series, tunnel SDF series, with over 3,000 specifications. Supporting products include self-resetting explosion-proof doors for shaft and inclined shaft, louver-type automatic regulating air doors, side-opening (vertical) automatic regulating air doors, butterfly valves, silencers, main ventilation fan online monitoring and fault diagnosis systems, continuous ventilation reversal systems, and intelligent oil injection systems, fully meeting mine ventilation needs. The products are sold domestically across various fields and internationally to markets such as Russia and Canada.

In recent years, the company has been awarded titles such as "Yuncheng City Enterprise Technology Center," "Outstanding Enterprise of Yuncheng City," "Yuncheng City Intellectual Property Demonstration Enterprise," and "Innovative Small and Medium-sized Enterprise." The company has passed ISO9001 Quality Management System Certification, ISO14001 Environmental Management System Certification, and ISO45001 Occupational Health and Safety Management System Certification. Its products have obtained the China Compulsory Product Certification and multiple patents. With advanced process equipment, strong technical strength, excellent product quality, and a complete service system, the company has won unanimous recognition and praise from users. Especially in recent years, the green, environmentally friendly, and low-noise fans promoted to the market have developed rapidly, making the company a well-known leader in fan industry technology.

Sincerity leads to success. Jinyun'an Company adheres to the principle of "people-oriented, technology-driven enterprise" and the belief that "innovation owns the future." Relying on strong technical strength, advanced CNC precision processing equipment, excellent talent team, and advanced management model, the company continues to wholeheartedly provide users with high-quality mine ventilation fan products, making greater contributions to the safe production and development of China's mining industry.

Main Product Features:

1. High operational efficiency and significant energy-saving effect, with low noise;

2. Novel structure, easy installation and maintenance;

3. Wide high-efficiency range, small surge amplitude, strong adaptability to complex roadways;

4. Stable and reliable operation, unaffected by surface subsidence.