Advanced Large Bore Exhaust Ducts for Optimal Mine Airflow Management

Advanced Large Bore Exhaust Ducts for Optimal Mine Airflow Management

The HDPE hollow wall corrugated pipes produced by this line feature high stiffness, high burst strength, and low weight due to their unique structure. Additionally, they offer numerous advantages, such as good resistance to creep deformation, resistance to external pressure, and resistance to erosion (including acids, alkalis, and salts), with an approximate lifespan of 50 years. These pipes have been widely used for municipal sewage and drainage applications and are gradually replacing traditional materials like cement pipes and cast iron pipes. Their low assembly cost, ease of operation, easy connection, and economical construction make them highly promising in terms of market potential and future development.

In the challenging environment of mine ventilation systems, selecting the right type of pipe is crucial for ensuring safety, efficiency, and reliability. Hollow wall pipes have emerged as an ideal choice for mine ventilation applications, offering a range of benefits that make them stand out from traditional materials.

High Strength and Durability
One of the primary concerns in mine ventilation is the need for pipes that can withstand harsh conditions, including heavy loads and potential impacts. Hollow wall pipes are designed with high ring stiffness, which allows them to maintain structural integrity under significant external pressure. This strength ensures that the pipes will not collapse or deform, even in the most demanding underground environments. Additionally, the pipes are highly resistant to wear and tear, making them durable and long-lasting.

Lightweight and Easy to Install
Despite their strength, hollow wall pipes are surprisingly lightweight. This feature makes them much easier to handle and install compared to heavier materials like steel or concrete. In the confined spaces and challenging terrain of a mine, the ease of installation is a significant advantage. The lightweight nature of the pipes reduces the physical strain on workers and speeds up the installation process, thereby reducing overall project costs and downtime.

Corrosion Resistance
Mines are often characterized by high levels of humidity and the presence of corrosive substances in the air. Hollow wall pipes are made from high-quality polyethylene, which is inherently resistant to corrosion. This material can withstand prolonged exposure to moisture and chemicals without degrading. As a result, the pipes maintain their performance over time, reducing the need for frequent maintenance and replacements. This not only saves costs but also minimizes disruptions to mining operations.

Smooth Inner Surface for Efficient Airflow
The smooth inner surface of hollow wall pipes is another key advantage. This design ensures minimal air resistance, allowing for efficient airflow and optimal ventilation. In a mine, where proper air circulation is critical for worker safety and productivity, the ability to maintain a steady and unobstructed airflow is essential. The smooth surface also helps to reduce the accumulation of dust and debris, which can further enhance the efficiency of the ventilation system.

Cost-Effective and Sustainable
Hollow wall pipes are not only durable and efficient but also cost-effective. Their lightweight design reduces transportation and installation costs, while their long lifespan and low maintenance requirements minimize ongoing expenses. Additionally, polyethylene is a recyclable material, making hollow wall pipes an environmentally friendly choice. This sustainability aspect is increasingly important in the mining industry, where companies are looking to reduce their environmental footprint.

Conclusion
In the context of mine ventilation, hollow wall pipes offer a comprehensive solution that addresses the unique challenges of this demanding environment. Their high strength, lightweight design, corrosion resistance, smooth inner surface, and cost-effectiveness make them an ideal choice for ensuring efficient and reliable ventilation. By choosing hollow wall pipes, mining operations can enhance safety, improve efficiency, and contribute to a more sustainable future.

Hollow wall pipe:
The high-density polyethylene is first made into a rectangular pipe embryo by winding molding process, and then formed by winding welding.
Structural features: The middle of the pipe wall is hollow and the ring stiffness is high.
Diameter range: Not limited by the pipe diameter, large-diameter pipes can be produced, up to DN3000. Huashida is capable of producing large - diameter (4000mm) hollow - wall winding pipe production lines. It owns the integral production line with independent intellectual property rights.
Connection method: Hot melt tape connection is mainly used, and the connection cost is slightly higher.
Cost and price: Under the same diameter and ring stiffness, more raw materials are consumed, and the production cost and price are higher.
Application scenarios
• Suitable for large-scale municipal drainage projects, mountain drainage projects and other occasions that need to withstand greater external pressure or complex environments.
• It can also be used as a manhole pipe for inspection wells.
We also produce: anti-static gas extraction and exhaust pipes for mining, which are connected by special pipe fittings (electric hot melt tape, heat shrink sleeve), which are easy to connect and economical to construct.
Features of HDPE Hollow Wall Corrugated Pipe:
It's designed with advanced technology includes 1st single screw extruder for square shaped pipe, square shaped pipe extrusion die, vacuum calibration water tank, spray cooling water tank. 2ND single screww extruder for melting glue material, spiral forming unit, cutting and stack unit.

 

Composition of Equipments
1.1set  Single screw extruder with vacuum loader& hopper dryer
2.1set  Square tube die head & mould 
3.1set  Vacuum calibration table 
4.1set  Water spraying tank 
5.1set  Hauling machine 
6.1set  Single screw extruder with vacuum loader & hopper dryer
7.1set  Melt adhesive extrusion die head 
8.1set  Rewinding forming machine
9.1set  Cutting machine 
10.1set Stacker 
11.set  Siemens PLC
 

Extruder 
Efficient single screw extruder with water-cooling force feeding system, and barrel with grooving in the feeding zone are designed to save power of main motor; Long L/D ratio and mixing head are designed to get perfect jellification and high output.
Rewinding forming machine 
It adopts composite die head and spiral rotating forming method, is designed with compact structure.

Pipe Application Areas:
This type of pipe is suitable for municipal drainage systems handling water at temperatures below 45ºC, building exterior drainage, buried agricultural field drainage, industrial wastewater management, road drainage, sewage treatment projects, drainage in sports fields and plazas, as well as electrical and telecommunications projects.


TECHNICAL PARAMETERS

Professional team for your service, detailed pre-sales technical consultation and perfect after-sales service to solve your worries. The seller would send technician to the buyer's factory to help installing and test the new machine and train people of the buyer.