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Characteristics and applications of polyurethane composite positive pressure air duct



Characteristics and applications of polyurethane composite positive pressure air duct In the coal mine production environment, ventilation is a particularly important link. Because…

Characteristics and applications of polyurethane composite positive pressure air duct

In the coal mine production environment, ventilation is a particularly important link. Because coal mine ventilation is related to the safety of coal mine production and the life safety of miners, good quality ventilation equipment must be selected.

Most rock tunnels and semi-coal excavation working faces adopt blasting operations and use conventional rubber air ducts for ventilation. However, ordinary air ducts made of ordinary rubber are not strong in impact resistance. The air ducts are frequently used within 30 meters from the working surface. If it is damaged or buried under pressure, gas will accumulate in the working surface behind the gun. At the same time, the loss of the air duct will be large, and the ventilation cost will be relatively high.

Therefore, application research was conducted on polyurethane composite positive pressure air ducts to solve a series of problems encountered in actual use.
Polyurethane composite positive pressure hair dryer
The polyurethane composite positive pressure hair dryer is a new type of hair dryer based on the traditional coated cloth hair dryer. The hair dryer made of polyurethane composite material has good elasticity, strong toughness, stable hardness value, high strength and high elasticity. , It has the characteristics of strong impact resistance and can withstand the strong impact from underground blasting without being penetrated, deformed and bent.

The polyurethane composite positive pressure hair dryer also has the characteristics of excellent oil resistance, hydrolysis resistance, and strong aging resistance. It will not cause air leakage due to brittleness at low temperatures.

The polyurethane composite positive pressure air duct is also very convenient to connect to ordinary air ducts. It is incomparable to ordinary rubber air ducts and is more suitable for use on blasting and excavation working surfaces.
Application scenarios of polyurethane composite positive pressure hair dryer
The polyurethane composite positive pressure air duct and its manufacturing method are suitable for ventilation of various tunnels in coal mines, and are especially suitable for places with the risk of foreign matter impact. They are highly safe and do not pose any safety hazards.

The polyurethane composite positive pressure air duct can ensure good ventilation when mining companies are digging into the working face, and can avoid problems such as gas accumulation. It plays a very important role in implementing the safety work of “one ventilation and three defenses”.
In addition to being used in coal mines, polyurethane composite positive pressure air ducts can also be used in tunnels, subway projects, underground and other scenes that require guided ventilation.

Application of polyurethane composite positive pressure air duct
The polyurethane composite positive pressure hair dryer produced by the company has a rigid shell, the body is composed of polyurethane and multi-layer skeleton materials, and the inner layer is made of double-resistant cloth. Compared with traditional fiberglass or metal hair dryers, it has very obvious advantages. The advantages.
Anti-collapse polyurethane composite positive pressure air duct
Moreover, the polyurethane composite positive pressure hair dryer produced by the company has the characteristics of high strength, high wear resistance, cutting resistance, high impact resistance, etc. The hair dryer is light in weight and has good resilience. When the hair dryer collides or rubs with other substances, static electricity and sparks will not be generated, and the product has good flame retardancy and is very safe to use.
The hair dryer is quick and easy to install, simple and practical, and can be used repeatedly. It can greatly reduce the consumption of the hair dryer and reduce ventilation costs.

The polyurethane composite positive pressure air ducts produced by the company can be designed and manufactured into air ducts of different thicknesses, diameters and lengths according to the different hardness of rocks or coal seams to ensure on-site use.

The air duct has broad application prospects and high economic benefits, which not only promotes the improvement of production efficiency, but also provides guarantee for safe production in coal mines.

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Author: clsrich

 
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