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SDG series hopper type plastic dryer
Product Introduction SDG series hopper type plastic dryer is a mature product that our factory introduced advanced foreign prototypes for digestion an
Product details
Product Introduction
Product Introduction
The SDG series hopper type plastic dryer was introduced by our factory in the early 1980s to digest and absorb advanced foreign prototypes, and after more than ten years of production improvement, it has now become a mature product. The full range of products includes 16 specifications, suitable for use with various plastic injection and extrusion molding machines. The entire series of products was awarded the title of high-quality products by the Ministry of Light Industry in 1990.
SDG series hopper plastic dryer now has become a mature product based on the digestion and absorption of model machines introduced by our factory in the early eighties and with more than a decade of production improvement. There are 16 specifications of products for complete series, applicable to use with the injection of various kinds of plastics and extrusion molding machines. The complete series products obtained the title of Quality Product of Ministry of Light Industry in 1990.
feature
Characteristics
The device has a simple structure, does not require land occupation, simplifies the operation process, saves manpower, and is easy to achieve automation;
◆ The structure of the equipment is simple. It does not need to land on the ground, for which the operational process is simplified and manpower is saved to facilitate the achievement of automation;
After the raw materials are dried, there is no need for repeated handling, making it less likely to bring in dust and other dirt, while improving the quality of the products;
◆ After dried, the raw materials do not need to transport repeatedly, and dust and other dirties are not easy to carry in, at the same time, the product quality is improved;
The raw materials have a short residence time in the drying drum, are not easily discolored, and are easy to detect and control the moisture content of the dried raw materials;
◆ The residence time for raw materials in barrel is short. It is not apt to change colors, but at the same time apt to the detect and control water content of raw materials after
◆ Save energy. Compared with an oven, it can save 30% to 65% energy;
◆ Save engery. Compared with oven, 30%～65% energy can be saved;
After the resin material is fully dried, it falls into the molding machine in a hot state, which can shorten the resin melting time and increase the injection rate;
◆ After fully dried, the resin materials drop to molding machine in hot state, which can shorten the melting time of resin and increase the injection rate;
Made of stainless steel and aluminum alloy, keeping raw materials clean.
◆ Stainless steel and aluminum alloy are used for manufacturing. Keep raw materials clean.
◆ Selection and main technical parameters
◆ Selection and Main Technical Parameters
Selection method of SDG series dryer:
Selection methods for SDG Series dryer:
It is extremely important to choose a drying machine according to the size of the supporting molding machine specifications. Choosing a size that is too large can waste energy and money. Otherwise, the drying effect will be poor. In order to achieve high efficiency drying effect and ensure sufficient drying of materials, it can generally be calculated based on the hourly injection volume of the molding machine. The feeding amount of the selected drying machine should be slightly greater than the following calculated values:
It is extremely important to choose the dryers according to the specifications and size of supporting molding machines. It the selected specification is too large, the energy and funds will be wasted, otherwise the drying effect will be undesirable. In order to achieve highly efficient drying effect and ensure to keep materials fully dry, generally calculation can be in accordance with the injection amount of molding machine per hour, and the loading volume of the selected dryer should be be slightly larger than the following calculated value:
◆ Drying machine loading amount=molding machine injection amount per hour X raw material drying time
◆ Dryer Loading Volume = Injection Volume of Molding Machine Per Hour × Drying Time of Raw Material
The drying time of various plastic particle raw materials is shown in Appendix 1. If the raw materials are frequently changed during actual use, the loading capacity of the dryer is equal to the injection rate of the molding machine per hour multiplied by 2.5 hours.
◆ Drying time of various kinds of plastic granular raw materials refers to Attached Table 1. If raw materials are often changed in actual use, then dryer loading volume = Injection Volume of Molding Machine Per Hour × 2.5.
Main technical parameters:
◆ Main Technical Parameters:
Note: 1. Power supply: three-phase four wire system 380V/220V, 50Hz
Remark: 1. Power Supply: three-phase four-wire system 380V/220V, 50Hz
2. Specifications and parameters are subject to change without prior notice.
2. Specification and parameters are subject to change without notice.
There are two options for the hopper cylinder of the SDG-100 or higher specification dryer: with insulation layer and without insulation layer (model: D type).
3. Dryer hopper barrels higher than SDG-100 specification have such two kinds of having insulating layer and not having insulating layer (model is D type) for selection.
4. Loading capacity: refers to the mass of nylon 6 pellets with a density of 0.64 that can be loaded.
4. Loading Capacity: refers to the material quality of six particles of nylon with the density capable of loading of 0.64.
Common plastic drying temperature schedule (for reference):
Common Plastics Drying Temperature Schedule (for Reference):
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