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1、 Introduction to shredder
Use of shredder
Shredder is a kind of machine used for fine crushing. It is generally used to deal with unprocessed raw materials or leftover materials to make their size smaller. Compared with other crushers, the cutter shaft has low speed, low noise and low energy consumption. A representative example is to tear up the leftover materials of plastic or rubber and melt them as raw materials for granulation, which can be used to make plastic bottles, tires or garbage cans again. The shredder is used in the plastic recycling industry. It is commonly used for the crushing of waste large-diameter PE plastic pipes, baled plastic films, large piles of plastic sheets and machine head materials.
Applications of shredders generally include:
● tear the unqualified products into small pieces for recycling.
● reduce the volume of unprocessed raw materials for mixing with other materials.
● shredding organic matter to make biofuels.
● tear up some textile materials to facilitate the reuse of fibers, such as carpet crushing.
Structure type of shredder
The common structures of shredder mainly include double axis (or four axis) shearing type, single axis roll cutting type and tearing type for coarse crushing.
1) Shear shredder
The most common is the shear crusher, which has two to four knife shafts. It mainly relies on the principle of "cutting and cutting" to complete the crushing process. The knife structure is shown in the figure below. The principle of this crusher is to crush objects like scissors.
2) Roll cutting mill
The following figure shows the structure of a roll cutting crusher. The machine is equipped with a plurality of blades on a rotating knife roller to form opposite cutting with the fixed blades to complete the effect of material crushing.
3) Tearing type coarse crusher
The principle of tear type coarse crusher is to swing the hook to tear the waste material. This model is mainly used for coarse crushing.
2、 Scrap metal solutions
Metal shredder is mainly used to crush waste metal and increase its stacking density for transportation and recycling. The equipment is widely used to tear up various waste metal materials such as paint barrels, diesel barrels, thin iron sheets, automobile shells, metal pressing blocks, metal plate leftovers and so on. Metal shredder the blade of metal shredder is made of high-strength alloy steel, which has the characteristics of strong wear resistance and high strength. The differential operation between shafts has the functions of tearing, extrusion and inting. It is designed for crushing metal, and has the advantages of uniform discharge, large output and low noise. The electrical part adopts the programming control of electrical components, which has the functions of automatic detection and overload protection.
3、 Waste appliance solutions
With the popularization of global urbanization and the acceleration of the pace of life, domestic waste is increasing day by day, which has become a more serious environmental problem in China and even the whole world. The treatment of domestic waste is urgent. At present, there are three commonly used treatment methods: landfill, composting and incineration, but crushing and refining treatment must be carried out before treatment.
Large waste often refers to waste articles with large volume, strong integrity and need to be split and reprocessed. At present, the commonly used treatment method is crushing and then landfill and incineration. Provide professional large domestic waste treatment system, which is specially designed for large domestic waste. After crushing and iron removal, large domestic waste can be transported to the waste treatment plant for treatment.
The large garbage shredder provided by Qida is a large large large garbage shredder, which is specially designed for the crushing of large garbage materials. The whole machine technology is advanced. The blade is made of imported high-strength alloy steel, which has the characteristics of strong wear resistance and high strength. The driving part is driven by intermediate gear to form a differential relationship. The screen is easy to disassemble.
The size of the crushed material is controlled through the screen, the discharge is uniform, and the output can reach 50-60 cubic meters per hour.
4、 Solutions for hazardous and solid waste shredding
Hazardous waste shredder also beints to a biaxial shear waste shredder. The emergence of shredder makes waste resources reasonably recycled. Hazardous waste shredder is based on the principle of combining cutting and grinding to save manpower, reduce labor intensity and tear up domestic waste. During the tearing process, some metal is occasionally mixed in the middle, which will not cause any damage to the equipment. Purpose of shredder: it can be used for the re crushing and recycling of waste plastics such as boxes, thin pipe fittings, blow molded parts, bottles and shells, or as an auxiliary machine of injection molding machine to re crush and reuse the nozzle material or defective parts of injection molding machine.
Features and advantages of hazardous waste shredder:
1. The cutter shaft has the characteristics of low speed, large torque, low noise, low energy consumption, and the dust can meet the environmental protection standard.
2. Large feeding, heavy tooth knife, high tearing efficiency. The bearing seat adopts the split type, which is easy to disassemble and replace the knife. It is suitable for tearing large, extra thick and difficult to break materials.
3. Microcomputer (PLC) automatic control is adopted, with start, stop, reverse and overload automatic reverse control functions.
4. The cutting tool is made of special alloy steel, with strong shear force, sharp edge and durability. The thickness of the tool and the number of jaws can be changed according to different materials.
5. The combined structure outer frame of ultra thick plate precision processing, the powerful rotating shaft of large angle hexagonal column and large-diameter solid input hopper can safely input large-scale raw materials.
The main shredding objects of hazardous waste shredder are as follows:
Industrial waste / domestic waste - hazardous waste, solid waste, domestic waste, waste wood, kitchen waste, waste compacts, kitchen waste, industrial waste and factory waste;
Biomass - branches, leaves, straw, corn cobs, coconut shells, palm shells, wheat straw, bark, banana trees, straw, garden waste;
Recycling waste - waste tires, waste paper, waste plastics, plastic bottles, chemical barrels, aluminum materials;
Destruction of product documents - computer hard disk, documents, unqualified products, plastic parts,
Waste disposal - organic waste, hazardous solid waste
Metal solid waste - scrap steel, packing block, paint bucket, paint can, automobile shell, motorcycle, bicycle, iron oil bucket, metal waste, aluminum waste.
5、 Waste plastic shredding solution
In recent years, with the wide use of plastic bags, snakeskin bags, ton bags, fishing nets, tires, films and plastic products, how to effectively recycle the waste after use has become a problem to be solved by many manufacturers. Some manufacturers recycle by purchasing expensive or high-power and low-efficiency equipment, the investment cost is too high, and some plastic products are directly burned, affecting the environment, How to recycle waste products economically and effectively has become a research topic for manufacturers. The emergence of Yuanda plastic shredder has effectively alleviated this problem.
Plastic shredder is a kind of solid waste volume reduction mechanical environmental protection shredder equipment, which is used to tear high-density polyethylene HDPE plastic products and materials, which is conducive to plastic recycling and reuse of plastic particles, such as mineral water bottles, PET bottles, oil bottles, gasoline bottles, plastic barrels, plastic soft films, etc.
Features of multifunctional plastic crusher:
This machine is suitable for crushing and recycling soft plastics; The scissors type knife rest structure specially designed for the crushing of film materials is more conducive to improve the work efficiency. The plastic film is directly sent to the crusher, and the N moving knives installed on the main shaft and the fixed knives installed on the frame tear up the whole bundle of plastic film through the motor transmission reducer transmission main shaft. The plastic film is separated from sundries (stones, etc.) through the separation tank, Reach recyclable raw materials
The plastic film crusher adopts double shaft independent drive, so that the materials are pressed accordingly during production to achieve the automatic feeding function. The unique cutter shaft structure and four corner rotary cutter will not entangle the shaft or jam the equipment in the production process of low speed and high torque, so as to improve the production efficiency. The equipment is suitable for crushers of various materials with high toughness and viscosity
Classification of plastic shredder:
Plastic shredders can be divided into double axis plastic shredders, single axis plastic shredders and four axis plastic shredders. If they are classified according to the shredding object, they can be divided into hard plastic crushers, strong plastic crushers and plastic pipe crushers
working principle
Structure and working principle of plastic crusher the structure of plastic biaxial plastic shredder is relatively simple. Its transmission process is: the motor drives the main shaft passing through the shredding chamber through the belt pulley, so that the knife rotates with the tool holder body integrated with the sub main shaft. The waste 1 old plastic entering the shredding chamber is broken due to the shear action of the rotating knife and the fixed knife, and then filtered through the sieve, Fall into the bin (int hopper car).
6、 Scheme for tearing waste leather cloth
The old clothes Shredder (old clothes shredder and old clothes crusher) adopts double shaft independent drive, so that the materials are pressed accordingly during production, so as to achieve the automatic feeding function. The unique knife shaft structure and four corner rotary cutter will not entangle the shaft or jam the equipment in the production process of low speed and high torque, so as to improve the production efficiency, The equipment is suitable for crushing all kinds of materials with high toughness and viscosity.
Product features:
1. This product can break large pieces of cloth that cannot be torn by the single shaft shredder, broken clothes and hats, worn rag screens, broken curtains, rag mops, cloth tents, propaganda banners, cloth bags for things, cloth shoes, thousand layer bottom, classical calligraphy and painting paper, Futon fans, towels, cloth cabinets, cloth ropes, sail rainshields, decorations, silk, large rolls of film, large pieces of plastic;
2. The outer frame of the combined structure of precision machining of extra thick plates, the powerful rotating shaft of large angle hexagonal columns, and the large-diameter solid input hopper can safely input large-scale raw materials;
3. Design and process unique rotary knives in terms of thickness, shape and arrangement order, with strong shear force and sharp blade, which can break efficiently;
4. PLC control, when the treated material is too large and too much, it is equipped with forward and reverse operation and shutdown functions to protect the machine body, and the safety measures are foolproof;
5. Low speed operation, low noise and less dust;
7、 Crop straw solutions
There are many fuels that can be used for direct combustion power generation of biomass boilers in China, among which corn straw, wheat straw, rice straw and other yellow soft straw account for a large proportion. This part of biomass fuel generally needs to be collected, cut and packaged from the field to form straw bags, so as to facilitate transportation and storage to various biomass power plants.
At present, this kind of straw bag is generally broken by hand and then sent to the crusher for crushing, which has the problems of high labor intensity and low efficiency. Therefore, there is an urgent need for a straw crusher that can break the straw bag efficiently, reliably, safely and stably in the market.
According to the characteristics of straw, Taizhou Qida independently developed and designed the straw shredding system, which improved the feeding structure and shredding device of the shredder, which can adapt to a wider range of materials. It can crush straw bags, cotton stalks, straw, wood, moso bamboo and other biomass raw materials. It has the advantages of convenient feeding, high output and high crushing efficiency.
Product advantages:
Intelligent control: the intelligent technology of the production line realizes automatic lubrication, intelligent detection and abnormal alarm. The PLC touch screen control cabinet or mobile client can monitor the operation status of the equipment in real time, with high safety factor; The system automatically controls the feeding speed of chain plate conveyor to avoid material accumulation blocking the crushing bin, and the operation is simple and convenient.
Reliable quality: all key components of the production line are made of imported high-quality alloy forged parts. After heat treatment, they have good wear resistance, straw bundle shredder, high strength and service life 3 ~ 5 times inter than domestic high manganese steel parts; Integral cutter box design, strong frame structure, greater strength and high stability.
Stable performance: the production line adopts imported bearings and multiple sealing technology, with high safety factor; Advanced anti loosening technology avoids equipment failure caused by loose bolts; Equipped with electrical components, good control.
High efficiency and energy saving: the production line equipment has good comprehensive performance, has a unique effect on the crushing of straw, bagasse and other biomass raw materials, and has a wide range of applications; Design shock absorber, pictures and price of straw shredder, stable operation and low noise.
8、Shredder picture
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