Circular vibration screening example (2)

Table 10

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4. DDM, ZDM uniaxial type coal shaker circular vibrating screen series simple structure, easy maintenance, reliable operation, high efficiency, good permeability screen for a variety of coal prescreening and screening the final, It is one of the most widely used traditional screening equipment in China's coal sector. It can also be used in the processing of mineral processing , electric power, construction and other departments to classify medium and fine grain materials below medium and hard.
DDM, ZDM type coal single-axis vibrating screen is divided into single layer and double layer. The installation method includes hanging type and seat type. The screen structure generally has two kinds of punching screen and braided screen. The motor can be installed on the left side or On the right side, the foundation bolts are all provided by the user.
Model meaning example 2D (Z) DM1556: 2 double layer (single layer not numbered), D (Z) hanging type (seat type), D - single axis, M - coal, 15 - screen width ( Dm), 56 - screen length (dm).
At present, the manufacturers of DDM and ZDM coal uniaxial vibrating screens mainly include Zhongzhong, Anshan, Shenzhou, Guangmei and Nanfang. The technical performance and parameters are listed in Tables 11~13, respectively. Figure 17 (single layer, medium heavy production), Figure 18 (double layer, medium heavy production). The technical parameters of DD, DDM, ZD and ZDM single-axis vibrating screens produced by the mountain mine are listed in Table 14. [next]
    Table 11     Table 12
Table 14
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5. YK-type circular vibrating screen This vibrating screen is a new type of machine developed in the 1980s on the basis of advanced screening machine technology at home and abroad. It is divided into single layer and double layer, all of which are seat type. The specifications (Table 15) are mainly produced by Zhongzhong, Nan Mine, Anshan Mine, Tangshan Branch, Anzhong and Jiang Mine. The medium-granular materials can be classified by the departments of mineral processing, coal preparation, electric power and building materials.
The dimensions of the 2YK1545 and 2YK2145 circular vibrating screens produced by Zhongzhong are shown in Figure 19. [next]
Table 15
Model meaning description: Y-circular motion, K-block eccentric vibrator, (G) - modified design, J-building, the same meaning as before.
The technical parameters of the YK series circular vibrating screen produced by Shangjian are shown in Table 16.
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6. DYS type large circular vibrating screen This series of circular vibrating screen has 6 kinds of specifications. It is developed on the basis of digesting and absorbing the advanced YA type circular vibrating screen technology of American advanced screening machine. It is driven by two motors in two motors. The two-axis operation is kept synchronized due to the coupling through the toothed belt. The screen machine has the advantages of advanced structure, sturdy and durable, low vibration and noise, not easy to block holes, large processing capacity, convenient maintenance, etc., and can be used for grading of crop materials in mineral processing, coal preparation, building materials, electric power and chemical industries. Currently produced exclusively by the saddle mine.
Model meaning example 2DYS3073: 2 - double layer (single layer not note), D - large, Y - circular motion, S - sieve machine, 30 - screen width (dm), 73 - screen length ( Dm).
The technical performance and parameters of the DYS type large circular vibrating screen are listed in Table 17, and the appearance and installation dimensions are shown in Figure 20.
Table 17     Figure 20
7. SZ type inertia-block circular vibrating screen in the series only four circular vibrating screen size, and small size, and therefore a small screen size, light weight and adjustable amplitude, for mining, metallurgy, building materials, chemicals, Light industry and other departments classify medium-sized non-metallic materials. Its manufacturers mainly include Anshan Mine and Qunying, and the technical performance and parameters of these two plants are basically the same (Table 18). The outer dimensions and installation dimensions of the vibrating screen are shown in Figures 21 and 22. In addition, Ningde Gravity Selection Plant produces SZ 2 900×1800 and SZ 2 1250×2500 specifications. Baotou Mining Machinery Factory only produces SZ 2 1250×2500. A specification.
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Model meaning indication SZ 2 1250×2500:S——Screening machine, Z——Vibration, 2——Double layer (single layer is not injected), 1250——Screen width (mm), 2500——Screen length ( Mm).
8. DYK series large circular vibrating screen and DYKB series amplitude decrement large elliptical vibrating screen saddle heavy production DYK series large circular vibrating screen is suitable for dry sorting of materials in coal preparation, mineral processing, building materials and chemical industry, with strong and durable structure. Low vibration noise and large processing capacity.
The DYKB series of amplitude-decreasing large-scale elliptical vibrating screens produced by Saddle Heavy is suitable for the classification of large and medium-sized materials in coal, metallurgy, mining and other industries. The elliptical trajectory of the sieve end of the screen is the largest amplitude of the long axis and decreases toward the discharge end. The material at the feeding end is quickly thinned and layered and sifted, and the bulk material is rapidly descended to keep the thickness of the whole screen fabric layer substantially equal. The screen machine has the characteristics of large production capacity and high screening efficiency.
Currently, there are only three specifications for these two vibrating screens, and other specifications are being developed.
Model meaning example DYK: D - large, Y - circular motion, K - block eccentric. DYKB: D - large, Y - elliptical motion, K - block eccentricity, B - self-synchronization.
Selection instructions: 1 When ordering, in addition to the model and quantity, the mesh size and screen form must also be indicated. 2 The motor can be installed on the left or right side. Please specify if there are installation requirements, otherwise it will be supplied according to the installation diagram. 3 If the user has special requirements, the factory can do non-standard design and manufacture for the user.
The technical parameters of the two vibrating screens are listed in Table 19. [next]
9. Heavy-duty vibrating screens H1735, 2H1735, YH1836A, 2YKH2245 vibrating screens are heavy-duty screens produced by the Anshan Mine, the latter is also called the sifting off-screen; the Zhonghe and Jiang mines produce a YH1836 heavy-duty screen, and the South Mine produces one. YH1836A heavy-duty vibrating screen, in addition, Jiangmen Mining Machinery Factory (referred to as Jiangmen Mining Machinery) produces 2H1220, 2H1836, H1735, H1858 heavy-duty screen, and the production of H1735, 2H1735, 2H2460 heavy-duty screen. These heavy-duty screens are used in the pre-classification or pre-classification of large materials in the processing of mineral processing, coal preparation, and electric power. Among them, 2YKH2245 vibrating screen can be used for large and medium-sized heavy medium coal washing plant, slanting wheel sorting machine rock, block coal, and coal grading instead of roller screen. The screen surface is made of metal rods or rubber rods, which can withstand the impact of large materials.
The technical performance and parameters of heavy vibrating screens produced in Anshan, Zhongzhong and Jiang Mine are listed in Table 20. The shapes and installation dimensions are shown in Figures 23~2-26, respectively.
Table 20

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