Tire Recycling Line Machine

With the rapid development of economic globalization and the continuous improvement of people's living standards, cars have become a necessity in daily life and have entered thousands of households. While it provides convenience for our lives, it has also driven the rapid development of industries such as road transportation and infrastructure. The rapid development of the automobile industry has greatly promoted the development of social economy. But problems also come with it, such as serious traffic congestion, excessive automobile exhaust emissions, noise pollution, etc. Relevant data show that automobile exhaust is the main cause of urban smog, and with the continuous increase in the number of cars, the annual production of automobile scrap tires has also become one of the serious sources of environmental pollution, which has also attracted widespread attention from countries around the world! According to relevant data statistics, the United States, as the world's largest automobile consumer, produces about 300 million waste tires each year: Japan, a powerful automobile country, also produces more than 100 million waste tires each year; as an emerging market in the automobile industry, my country produces about 160 million waste tires each year, and this scale is increasing rapidly year by year. How to deal with these waste tires and turn them into treasures has become a problem that countries around the world need to face and solve together. Especially in some developing countries with a fast development speed, this problem is becoming more and more prominent. At present, the generally recognized practice in various countries in the world is to recycle and reuse waste tires and prepare waste tires into rubber powder. The preparation of rubber powder can not only effectively solve the pollution problem of waste tires, but also make waste rubber a renewable and reusable resource to achieve the purpose of recycling. The prepared rubber powder can be used to prepare "recycled tires", can be processed into asphalt raw materials for paving roads, can be used as fuel for fuel power plants, and can even be used to extract petroleum and carbon black, etc. Therefore, Wobide Machinery (zhejiang) Co., Ltd. has studied a Tire Recycling Line Machine. Waste tires can be recycled to extract rubber powder, steel wire and other materials.

1. Working principle of waste tire crusher

The waste tire crusher is the core equipment in the process of preparing waste tire rubber powder at room temperature, and it is also one of the common tire crushing equipment. Its main mechanism is composed of two cylinders rotating in opposite directions. The shapes and sizes of the two rollers are generally different, and the rotation speeds are also different. There is a certain working gap between the two rollers. The size of the working gap determines the size of the rubber powder particle size. Since the rubber powder material has special properties such as high elasticity and viscoelasticity and is not easy to be compressed, the force it is subjected to during the rubber powder crushing process is complex and changeable, and it is difficult to analyze it specifically. Therefore, it is necessary to simplify the rubber powder crushing process. The waste tire rubber block is fed from the top between the two rollers. The force generated by the two rollers rotating in opposite directions brings the rubber block into the crushing area between the two rollers for crushing. The initial large-particle rubber block is crushed into small-particle rubber particles by the extrusion and shear force of the rollers. As the two rollers rotate, the small-particle rubber particles move further downward. In this process, the rubber particles are crushed again by the extrusion and shearing action. Because the roller crusher has a simple structure, reliable operation, and is economical and practical, mechanical equipment with the same working principle is still widely used in various fields.

2. The main structure of the waste tire shredder

According to the working principle of the shredder, the shredder needs a lot of auxiliary equipment and systems to complete the rubber powder shredding process. The main structures include rollers, engines, gearboxes, cooling systems, bearings and bearing seats, frames, etc. Figure 3.1 shows a simple structural diagram of the waste tire shredder.

(1) Double rollers

The double rollers are the core components of the tire shredder. They are divided into dynamic rollers and static rollers, both of which are hollow cylinders. The inside of the cylinder is generally forged with ordinary cast iron, and the surface is welded with cold hardened cast iron and other high-strength and wear-resistant materials. The static roller is fixed to the body with bolts, and the dynamic roller has bearings at both ends and is connected to the gearbox. The static surface is smooth, and the dynamic surface has helical teeth.

(2) Frame

The frame carries all the shredder components, forming an organic whole between the various shredder components. When the shredder is working, the frame can offset the internal forces between the shredder components. The material of the frame is generally cast iron or steel.

(3) Power transmission device

The power transmission device is the source of the pulverizer's working power, and consists of a motor, a gearbox, a transmission shaft, and other components. The transmission shaft is connected to the two rollers through the gearbox to drive the two rollers to rotate.

(4) Cooling system

Since the pulverizer will generate huge heat due to friction when working, the cooling system is a necessary part of the pulverizer.