In-depth study of the structure and working principle of the granulator

A granulator is a molding machine that can make a material into a specific shape. Widely used in chemical, petrochemical, pharmaceutical, food, building materials, mining and metallurgy, environmental protection, printing and dyeing, ceramics, rubber, plastics and other fields. According to the structure and working principle, it is divided into CF type rotary steel strip melting material granulator (referred to as steel belt granulator) flat twin-screw extruder rotary drum drying machine to roller dry granulator (referred to as Roll granulator) The disc granulator such as the tooth granulator is a volumetric metering feeding device which can uniformly and continuously feed the material to the next process and can withstand a large warehouse pressure. As a fine material feeding device, it is suitable for transporting various non-stick materials in the form of powder, material or small pieces, such as pulverized coal, cement, clinker, limestone, shale, coal gangue, clay, etc. Or small block material. Can be widely used in gold processing plants, coal mining plants and chemical, infrastructure and mechanized casting workshops for continuous uniform, quantitative feeding and dosing. The machine is simple in structure, convenient in adjustment and superior in performance. This machine is suitable for conveying materials with a particle size of not more than 50mm. It is not suitable for conveying materials with high viscosity, difficult to flow and materials with particularly good fluidity.

Recycled plastic granulator has a broad space for development in China. As the price of plastic chemical raw materials continues to rise with the development of the economy, the country is vigorously supervising the development and transformation of the plastic recycling granulator industry in recent years. The huge market demand has also made the market of recycled plastic granulators more and more optimistic.

According to industry analysts in the world, the treatment and recycling of waste plastics has 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, recycled plastic granulation The machine's own advantages also make it sustainable.

First of all, at present, the recycling rate of waste plastics in China is not high, and there are not many recycling factories for waste plastics, 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. The large plastics market has already Dozens of scrap 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.

Secondly, the plastic recycling granulator processes the waste plastics of daily life to regenerate the plastic raw materials needed by the enterprise. 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. The new type of recycled plastic granulator is continuously optimized and updated to achieve full, firm and smooth recycled plastic raw materials. Therefore, it will be favored by more and more businesses.

Third, 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.

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 prospect of recycled plastics is very impressive, and the foam granulator has become the market leader. With the introduction of national policies and the support of the government, the development of the foam granulator industry has accelerated and it has reached the peak of the industry.

According to the statistics of relevant institutions, by the end of the "Twelfth Five-Year Plan", the national environmental protection investment demand will reach 3.4 trillion yuan, and the industry output value will reach 2.2 trillion yuan, both of which are doubled compared with the "11th Five-Year Plan". Between 15% and 20%. Zhao Hualin, director of the Department of Pollution Prevention and Control of the Ministry of Environmental Protection, said at the meeting that environmental restoration industries such as soil remediation and groundwater remediation are expected to become the direction of further development of the environmental protection industry during the “13th Five-Year Plan”.

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.

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