The operation of recycled plastic granulator involves a wide range of national economy. It is not only an indispensable basic production link for a large number of industrial and agricultural products. The recycled plastic granulator is also a major energy consumer in China, and the energy used accounts for 12% of the total energy consumption of the national economy. %about. In addition, the pollution caused by the plastic granulator process is often an important source of environmental pollution in China. The progress of plastic granulator technology is closely related to the development of the entire national economy.
In recent years, the treatment, recycling and utilization of waste plastics have been increasingly valued by countries all over the world. China is no exception. The support of policies is a favorable guarantee for the development of recycled plastic granulators. In addition, the advantages of recycled plastic granulators make it possible. Continue to develop.
At present, the recycling rate of waste plastics in China is not high, and there are not many waste plastic recycling factories, especially the uneven distribution. Most of the places are almost blank. On the other hand, in recent years, China has developed rapidly and the market is prosperous. There are dozens of large plastics markets. Waste plastic pellets have been in short supply, and prices have risen and then risen. Therefore, waste plastic pellet processing will become a hot spot for future development. As a main processing machine, recycled plastic pelletizers will have a large customer base.
The plastic recycling granulator processes the waste plastics of daily life to regenerate the plastic raw materials required by the company. The price of recycling waste plastics is far cheaper than the price of plastic raw materials that have been rising in recent years. With the support of the state, it is recycled. The new type of plastic granulator is continuously optimized and updated to achieve full, firm and smooth plastic recycled material. Therefore, it will be favored by more and more businesses.
Since the establishment of recycled plastic pellets is less risky, the scale of investment can be large, and the entrance is low, you can start from one production line, or you can purchase multiple sets of equipment at the same time. But the profits are higher, so there will be more factories in the future, which is undoubtedly a huge business opportunity for recycled plastic granulator equipment manufacturers.
However, in the face of severe energy and environmental challenges, China has recently adopted a comprehensive, coordinated and sustainable scientific development concept as the guiding ideology, and formulated a medium and long-term energy science and technology development strategy and development plan to 2020. This energy environment development strategy The formulation also pointed out the direction for the development of China's plastic granulator technology, and it is imperative to explore the new development path of plastic granulator technology. Compared with other operational links in industrial and agricultural production, the task of energy saving and pollution prevention in the plastic granulator process is particularly urgent.
With the prevalence of energy-saving and low-carbon winds, the demand for recycled plastics has gradually increased, and the development of foam granulators has been driven by it. Its comprehensive development is expected to achieve breakthroughs in the near future. Will move toward "Da Jing special".
At present, recycled foam particles have been applied in textiles, automobiles, food and beverage packaging, and consumer electronics. Some enterprises have also put forward the application of recycled plastics. With the release of various factors in the future, it is not difficult to find that the development prospects of recycled plastics are considerable. Foam granulators have become the market leader.
Efficient and multifunctional
The efficiency of plastic machinery is mainly reflected in high output, low energy consumption and low manufacturing cost. In terms of functions, screw extruders have been used not only for extrusion molding and mixing of polymer materials, but also for applications such as food, feed, electrodes, explosives, building materials, packaging, pulp, and ceramics. In addition, the "one-step extrusion process" in which the kneading granulation and the extrusion molding process are combined into one is also worthy of attention.
Large size and precision
The realization of large-scale plastic machinery and equipment can reduce production costs, which is more obvious in large-scale twin-screw foam granulators, blown film units, and pipe extrusion units. The precision can improve the gold content of the product. For example, multi-layer co-extruded composite film needs precision extrusion, and as an important means to achieve precision extrusion, the melt gear pump must be intensively developed and researched.
Modular and specialized
Modular production can adapt to the special requirements of different users, shorten the development cycle of new products, and strive for a larger market share; and specialized production can arrange the various system module components of extrusion molding equipment to be fixed-point production or even global procurement. It is very beneficial to guarantee the quality of the whole period, reduce costs and accelerate capital turnover.
Intelligent and networked
Foam granulators in developed countries have generally adopted modern electronic and computer control technology, process parameters for the entire extrusion process such as melt pressure and temperature, body temperature, main screw and feed screw speed, feed amount, The parameters of various raw materials, the current and voltage of the motor are measured online, and the closed-loop control of the microcomputer is adopted. Some companies have adopted online remote monitoring, diagnosis and control to network control the extrusion molding line. This is extremely advantageous for ensuring the stability of the process conditions and improving the accuracy of the product.
As the supply and demand of PS foam particles in China are very unbalanced, the supply is far less than the demand, so the price of PS foam particles has been rising continuously, it has reached about 10,000 yuan, and the profit has reached 3,000 yuan. The huge demand for equipment production lines, such a huge demand, has created a fiery development of the foam granulator production line. Now there are many customers investing in the foam granulator production line. After the investment construction is completed, after a series of processing and production, Let the foam granulator industry develop better.
Plastic granulator refers to a unit that adds different additives to the resin according to different purposes, and is heated, kneaded and extruded to make the resin raw material into a granular product suitable for secondary processing. The plastic granulator is widely used in petroleum. Petrochemical industry. There are two large granulator manufacturers in the world, one in Japan and one in Germany. The Japanese Kobe Steel Company has a very high market share in the Chinese market.
According to a survey by the US Industrial Market Research Corporation, demand for plastic granulation machinery in the US and Japan will re-emerge in signs of recovery, and demand in Western Europe will accelerate in 2009. Prospects for sales of plastic machinery in China, India and Russia are promising. Demand for plastic machinery will also increase gradually in Turkey, the Czech Republic, Iran and other developing countries and regions. The global construction market continues to evolve in terms of the global market landscape. It will drive demand for extruded products such as plastic pipes and siding, which will drive demand for extrusion equipment. Therefore, it is expected that the global demand for extrusion equipment will exceed that of other types of press products.
Among them, the German granulator industry ranks first in the world. Looking back at 2008, the total import volume of granulators was US$5.46 billion. The total amount of imports accounts for more than 20% of the world's total imports, and the global granulator competition is in a dominant position. Italy and Japan are ranked second and third.
The roll extrusion granulator is a new generation of granulator equipment. It is produced by the process without drying at room temperature, with one molding, and the output is 1-1.5 tons/hour and 1.5-3 tons/hour. The equipment has low investment, quick effect and good economic benefits. The complete set of equipment is compact, scientific and reasonable, and advanced in technology. Energy saving, no waste discharge, stable operation, reliable operation and convenient maintenance. The raw material has wide adaptability and is suitable for granulation of various raw materials such as compound fertilizer, medicine, chemical industry and feed, and the product has high granulation rate. Can produce various concentrations, multiple types (including organic fertilizer, inorganic fertilizer, biological fertilizer, magnetic fertilizer, etc.) compound fertilizer. In particular, rare earth, potassium fertilizer, and ammonium bicarbonate series compound fertilizer granulation have filled the domestic gap.
Many granulators now use quartz tube heating or coal burning. The heating of the quartz tube belongs to the resistance heating method, that is, the heat is transmitted to the cylinder through the quartz tube, but the surface of the quartz tube also transfers a large part of the heat to the air while the heat transfer to the cylinder, thereby causing thermal energy. damage. At the same time, the quartz tube is also prone to failure due to prolonged high temperature heating. In contrast, the electromagnetic heater makes the barrel itself heat according to the principle of electromagnetic induction, so it is faster than the resistive heat transfer method, and the insulation cotton is wrapped on the barrel, so the heat energy generated is not lost. In the air, the thermal energy can be fully utilized, greatly reducing heat loss and improving the utilization of thermal efficiency. Electromagnetic induction heaters can save more than 30% energy compared to resistive heating.
Part of the granulator is heated by burning coal. Because the heating method of coal burning is not good enough to accurately control the heating temperature, and some related departments also have restrictions on the use of coal heating, so it is the best way to change to electromagnetic induction heating. . Because electromagnetic heating is based on the temperature control table to control the temperature of the heating. The temperature can be controlled very accurately, the gloss of the material produced will be better, and the price can be sold better. At the same time, the electromagnetic induction heating method is based on the principle of electromagnetic induction to make the metal object itself heat, and at the same time, the heat preservation measures are taken, so the thermal efficiency utilization rate is very high, and can reach 98% or more, the heating speed is very fast, and the temperature can be adjusted according to the actual use situation. The temperature can be heated up to 600 degrees. Taking 50kw as an example, the output can be 4 tons to 4 tons per day. If the output is higher, it needs to be equipped with more power.
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