Aluminum alloy quick pipeline will become the choice of compressed air pipeline transportation system

In the application of electrical automation, pneumatic technology represented by compressed air and vacuum is a good means to achieve low cost and high reliability

The pneumatic system is mainly composed of the power system, the delivery system and the executive elements. The power system such as the air compressor and the vacuum pump are like the heart and lungs of the human body, while the pipeline system is like the blood vessels and trachea that deliver blood and oxygen. The two complement each other. Pipeline system plays an important role in it

1、 Current situation of conveying system

At present, most industrial and mining enterprises mainly use carbon steel pipelines for transportation. These pipelines have the following problems:

1. Oxidation of traditional pipeline

As the main component of carbon steel pipe is iron, this element is easy to react with water and oxygen in the air to produce iron oxide (rust). This material will be transmitted to the cylinder and production equipment along with compressed air, which will cause cylinder wear and equipment damage and bring unnecessary losses to the user. If the air source is in direct contact with the product, the quality will be reduced, and the impact will be more serious if it is food products. Even if the measures such as filter triplet are adopted, as rust is a solid impurity, it is very easy to adsorb on the filter material, resulting in too short service life of the filter material and pressure drop

2. Pressure drop of traditional pipeline

Even for newly installed carbon steel pipes, the inner wall is rough (internal roughness 1.9 μ m) And the roughness increases year by year due to corrosion, which directly leads to the decrease of the flow rate and the increase of the pressure drop.

3. Leakage problem of traditional pipeline

The leakage is caused by corrosion. No matter whether the carbon steel pipe is installed by threading or welding, the corrosion always begins at the wire mouth and welding scar.

Therefore, some enterprises, especially the electronics, pharmaceutical and spraying industries, will choose to use stainless steel pipes to avoid the secondary pollution caused by pipe rust and the risk of corrosion and leakage. However, the cost of stainless steel pipes is relatively high, and their wide application is limited

2、 Innovation of gas transmission system

Because of the disadvantages of traditional pipeline in practical application, a new type of fluid gas transmission system came into being - aluminum alloy quick installation pipeline system. As early as around 2000, European and American enterprises have been widely used in the transmission of compressed air pipes, vacuum pipes, and inert gases such as nitrogen. The earliest application case in China was installed in Hangzhou Daily printing plant in 1996, and has been used for more than 20 years.

At present, many large domestic enterprises such as FAW Volkswagen, Jianghuai Automobile, Chery Automobile, Henan Zhongyan, Youngor, goer acoustics, Wuliangye, Maotai, etc. all choose to use the aluminum alloy pipeline system as the gas transmission solution. Then, we will introduce the technology and advantages of the aluminum alloy pipeline system in detail by comparing it with traditional pipes.

3、 Corrosion resistance and energy saving of aluminum alloy pipeline system

1. Overview

A layer of oxide film will naturally form on the surface of aluminum alloy pipes through anodizing treatment, which has strong corrosion resistance. Anodic oxidation treatment is an electro-chemical reaction process, which thickens the oxide film on the metal surface, thus improving the hardness, corrosion resistance and wear resistance of the metal surface. Moreover, due to the seamless extrusion technology adopted in the processing of aluminum alloy pipes, the inner wall can ensure high smoothness and reduce the pressure drop caused by high-speed fluid transmission.

The original inner wall of traditional carbon steel is rough, and the inner wall will be thickened and the inner diameter will be reduced year by year due to corrosion. Therefore, the energy consumption of carbon steel pipeline transportation system will increase year by year.

PIPRO aluminum alloy pipe has light weight, smooth inner wall and good corrosion resistance