Description
Zibo Decent Machinery Co.,Ltd (Huge Wind),as a professional tunnel ventilation expert, always stick on the principle of making tunnel excavation safer and more comfortable. Till now,we have served customers from more than 130 countries and provided fresh air and security for 150+ mine/tunnel projects.
One of our strategic partners is VALE S.A., which was established in Brazil,the largest mining company in Brazil. mainly in the field of mining area.
We received an email from VALE in 2013, wanting to purchase tunnel ventilators and air ducts for their new project. After telephone communication, we learned that the tunnel is relatively short, only 500 meters, and the diameter of the tunnel is narrow. We designed VME-5 compact tunnel fan for them. On the premise of meeting the air supply distance of 500 meters, it can be matched with a minimum 300mm air duct to meet the ventilation requirements. After only three days of communication, VALE Brazil was impressed by our positive work attitude and professional design,placed an order for 2 sets VME-5 fans and 500 meters of 300mm diameter PVC ventilation pipes.
In mid-2015, after several years of use,VALE Brazil was so satisfied with our products and invited us to join their supplier management system. Soon we received an inquiry from VALE Mozambique.
Mozambique branch of VALE found us and urgently needed us to design a 2000-meter fan for their new tunnel project. Due to the lack of necessary parameters, we designed an VME-12 fan for them through scientific calculations.
VME-12 counter-rotating jet fan, can not only meet the air supply distance of 2000 meters, but also can be matched with at least 500mm air duct to maximize the reserved space for tunnel construction. And taking into account the local noise requirements in site, we have specially made ultra-low noise treatment, using 1.5mm orifice plate inside the fan, lined with 100mm sound insulation cotton and sound insulation plate, to ensure that the noise is lower than 75dB (A).
Since 2020, VALE Mozambique has purchased 30 sets of VME-12 coal mine ventilation fans.
Decent Machinery has always believed that high-quality products and considerate services will bring greater benefits to customers.| Tunnel Exhaust fan | Axial Mine fan | Tube Axial Fan |
Performance selection is based on the specific parameters of the required working conditions (air volume, air pressure) and the characteristic curve (or performance table) of the fan in order to select the fan reasonably. The characteristic curve of the ventilator is at a given speed. Reflecting the relationship curve of air volume, air pressure, efficiency and power, it shows the various working performance and changing law of ventilator. In selecting the performance of ventilator, we should pay attention to a few points:
1)it is necessary to determine the actual working conditions of the site: flow, pressure, speed, etc., whether this type of fan can work within the scope of work
2) the operating parameters needed in the field should be selected in the high efficiency area of the fan characteristic curve to improve the operation efficiency and save the electric power.
3)When consulting the characteristic curve of K58 mine axial flow ventilator, we should pay special attention to the corresponding rotational speed, and do not allow arbitrary increase of the fan's operating speed.FBD Series Flameproof Mining Axial Ventilation Fan
1. The product is composed of explosion-proof motor, vanes, air duct and others.
2. It's in low noise, low consumption and perfect performance.
3. Besides being used for ventilation and exhausting, it also can be installed in series to improve the pressure in pipe.
4. The enclosure material can be armor plate or fiber floss reinforced plastic wiring with cable.ZIBO DECENT MACHINERY CO.,LTD offer customers a wide range of different systems of tunnel ventilation, starting from 315 up to 2.500 mm.We believe in building on the best, and therefore our Total Mine Ventilation Solution is built upon the worlds best OEM ventilation equipmentAdvantages: 1.24*7 hours online service
2.More than 100 customers visited us and felt very satisfied
3.Exported to over 130 countries
4.CE,ISO,SGS,ETA,MA,AMCA
5.Live video for the workshop by WhatsApp wechat or youtube.
6.Oversee technical support at your site
7.Better customers' experience after sales: we visit our customer each year
8.Production according to your drawing(2D/3D)
9.Famous motor brand(Siemens/ABB/TECO/WEG)
10.High standard quality control- Testing video/Testing report available
11.Welding / Materials testing report available
12.Surface Treatment: automatic electrostatic powder coating ( ie spray) or spray paint.
13.Corrosion protection and rust removal treatment
14.Tracking number for each equipment available
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