- D series multi-stage centrifugal blower
- F type centrifugal blower
- Gas booster blower
- Low-pressure centrifugal blower
- High-temperature centrifugal blower
- Mobile centrifugal blower
- Medium pressure centrifugal blower
- HTF (B) Fire Exhaust Fan
- HTF Axial Flow Smoke Exhaust Fan
- Supply HTF fire exhaust fan high temperature fan
- Tunnel jet fan
- sds-ds series tunnel jet fan
- SDS Series Tunnel Jet Fan
- TLT tunnel, subway fan
- Jet fan for subsea tunnel
- ZSDF Series Tunnel Construction Fan
- DTF Series Axial Fan
- GD30K2 motor external axial fan
- ST35 series two-way axial fan
- T35, T40 axial flow fan
- FRP Axial Fan
- Factory Axial Fan
- Axial Fan
- Spray cooling axial fan
- SDF (C) Axial Flow Fan for Tunnel Construction
- SDS series tunnel shooting fan
- YBK series mine explosion-proof ground extraction ...
- Large tunnel axial flow fan
- Large Axial Flow Fan
- Subway Axial Flow Fan
- Mine shaft circulation fan
- Fire shaft circulation fan
- Oblique flow fan
- Product Details
- contact details
- Product Brand: Tianjin Blower
- Total Supply: Unlimited
- Price Description: Negotiated
- Packing instructions: unlimited
- Logistics Description: Freight and Logistics
- Delivery instructions: by order
- Valid until: long-term validity
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Choosing a fan according to the shape of the blower
When buying a blower, it is necessary not only to understand the product characteristics of the equipment, but also to understand the shape characteristics of the blower , which blower manufacturer is good, so that the function of the device can be fully exerted during use. You know, the existence of any kind of product has a certain meaning. The existence of this kind of equipment is no exception, and the equipment is designed to its current style for a certain reason, which can make it more stable during operation.
For example, the material of the high-pressure blower is ADC12 die-cast aluminum. The casting has high dimensional accuracy, which is generally equivalent to 6-7, or even up to 4; the surface finish is good, generally equivalent to 5-8; the strength and hardness are higher, and the strength is generally higher than sand Casting is increased by 25 ~ 30%, but the elongation is reduced by about 70%; the size is stable and the interchangeability is good; thin-walled aluminum castings can be cast.
The high-pressure blower uses a special blade design. The external characteristics of the device are designed in this way, mainly because this design method can increase the pressure of the device, increase the air volume of the device, and effectively reduce the operating time of the device . Noise, extending the life of the equipment.
During the operation of the high-pressure vortex fan, which one is better, it can control its air volume, making it more stable and easier to operate. The shape of the device is beautiful, and its shape can make maintenance work easier in the later stage.
There are many different styles sold in the market, but they are basically the same. When buying, consumers can choose according to their actual use requirements. But no matter what type of equipment, it can achieve normal operation , high stroke or high suction, so that the equipment can better serve the production of enterprises and bring more help to people's use.
Wear and treatment of tunnel fan impellers
Wear of impeller
After the fan impeller rotates, a small amount of large particles and many tiny dust particles can be passed through the induced draft fan together with the high temperature and high speed smoke, causing the blade to be continuously washed. In the long run, blade-like wear is formed at the blade exit. Because this wear is irregular, it causes imbalance in the impeller. In addition, the impeller surface is easily oxidized at high temperatures, and the blower generates thick oxide scale. The binding force of these oxide scales to the surface of the impeller is not uniform, and some oxide scales will fall off automatically under the action of vibration or centrifugal force, which is also a cause of the imbalance of the impeller.
2. Fouling of the impeller
The flue gas humidity in the tunnel construction tunnel is very high. Although the dust particles that have not been cleaned are small, they have a very high viscosity. When they pass through the induced wind, they will be adsorbed on the non-working surface of the blade under the action of the gas vortex, especially at the inlet and outlet of the non-working surface, which will form more serious dust fouling, and gradually thicken. When part of the dust falls off under the combined effect of centrifugal force and vibration, the balance of the impeller is destroyed, and the entire induced fan will vibrate.
2, countermeasures to resolve the imbalance of the impeller:
1. In addition to improving the ventilation effect of the fan, the most effective way to solve the impeller wear is to improve the anti-wear ability of the impeller.
At present, the more mature method in this regard is that the impeller is precision-casted, added with anti-wear metal elements, and then subjected to thermal spraying technology, that is, special methods to change the wear-resistant and high-temperature resistant metal or ceramic materials The high-speed particle flow is sprayed onto the surface of the impeller blades to form a layer of tough outerwear that is much more resistant to abrasion, high temperature and oxidation than the materials of the impeller itself. This can not only reduce the damage caused by the impeller's dynamic balance, but also reduce the imbalance caused by the oxide layer.
Blower | Jin Blower | Tianjin Blower Which is better provided by Jin Blower Group Co., Ltd. Tianjin Blowers Group Co., Ltd. (fuzzlinks.com) is an enterprise specializing in "fan blower centrifugal fans", adhering to the concept of "integrity management, attentive service", to provide you with quality products and services. Welcome to inquire! Contact: Mao Bingquan.
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