How to calculate surface area range of mining ventilation?
How to calculate surface area range of mining ventilation? “Surface area range” also known as cross-sectional area of the premise through which the air comes out (exit) of the mine. If people move in this premise, the maximum speed must not exceed 8 m/s. Based on that,there are always two solutions for client’s choice,see what is showed in the following sketch: read more
Introduction of explosion-proof mine fan
In explosive gas environments such as coal mines, fans, as important ventilation equipment, need to have explosion-proof performance to ensure safe production in mines. Explosion-proof mine fans are specially designed for such environments. Explosion-proof mining fans are suitable for use in coal mines, metal mines,... read more
Congratulations to Decent Machinery Get Two Awards–Chamber of Commerce and Manufacturing Excellent & Innovation Awards.
Congratulations to Zibo Decent Machinery Co., Ltd for winning the title of member of Zibo Chamber of Commerce in December 2021, and the “Manufacturing Excellent & Innovation Awards”. read more
We believe in safety first and healthy workplace is an essential requirement of every workers and also a business compulsory. Our Workplace Rights Policy requires that we take responsibility for maintaining a productive workplace in every part of our company by doing what we can to minimize the... read more
Factors Determining the Rotational Angle of Centrifugal Fan Impellers
Centrifugal fans are widely used in various industries for ventilation, air conditioning, and air movement purposes. The rotational angle of the impeller, which is a crucial component of a centrifugal fan, plays a significant role in determining its performance and efficiency. Design Parameters: The design parameters... read more
Foggy Weather in China
Recently Shandong has entered Wonderland, and foggy weather has covered the entire northern region. Now that environmental pollution is getting worse, environmental protection equipment has become an indispensable part now. We mainly deal with the ventilation system,HVAC, and dust removal. Product details and factory videos are introduced... read more
Concerns about the quality and price of our products when they first start working with us
At Decent Machinery, we understand that many customers have concerns about the quality and price of our products when they first start working with us. That’s why we are dedicated to ensuring that our customers get the best value for their money. Our products... read more
Fog cannon for city dedusting use,export to USA.
Fog cannon for city dedusting use,export to USA. Advantages: 1.Comply with ANSI/ASTM A500-2001 (American Welding Standard) 2.Hydraulic rotation system,long life-time. 3.Nozzle rings with ball valve,realize single ring operation. 4.Double layer stainless steel control panel with PLC. read more
Measures to prevent axial fan surge
Make the flow rate of the pump or fan constant greater than QK. If the required flow in the system is less than QK, a recirculation pipe or an automatic discharge valve can be installed to make the discharge flow of the fan always... read more
Coking plant pipe belt head bag filter project
Steel ironmaking plant 400m2 sintering machine finished product electrostatic precipitator efficiency improvement project dust removal fan The main shaft of the fan meets the requirements of UT level 2 flaw detection. The shaft disk on which the impeller is installed is an integral forged structure. The... read more