Combination vibration sieve
A vibrating sieve and coarse sieve technology, which is applied in the direction of sieving, solid separation, grille, etc., can solve the problems of high water content requirements of lump ore, easy blockage of sieve holes, and large relative flow rate of the lower sieve, so as to improve the utilization factor of the blast furnace , Improve screening efficiency and reduce production cost
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Example Embodiment
[0037] Example one:
[0038] The technical solution of the screening structure on the fine vibrating screen 1: the screening structure on the fine vibrating screen 1 is a fine sieve plate 11, the material of the fine sieve plate 11 is polyurethane, and a steel wire layer is arranged in the interlayer , Making it a three-layer structure from top to bottom. The purpose of using polyurethane material is to make the fine sieve plate 11 have good flexibility and strength; the purpose of using the steel wire layer is to strengthen the strength of the fine sieve plate 11.
[0039] SF-150×330-T can be selected for the fine vibrating screen 1 screen type, the sieving inclination angle is adjustable, and the adjustment method is shown in Example 6 and Example 7. The amplitude of the fine vibrating screen 1 is: 2.5-12cm; the single-point dynamic load of the fine vibrating screen 1: 26KN; the processing capacity is ≥100T / h.
Example Embodiment
[0040] Embodiment two:
[0041] The upper and lower layers of the fine sieve plate 11 are installed in such a way that the sieve holes of each layer are arranged in a staggered arrangement.
[0042] The sieve holes of the upper and lower layers are arranged in a staggered arrangement, so that the sieve holes of each layer of the mesh can be larger, and it is not easy to cause clogging; the upper and lower layers are misaligned, and the actual sieve holes of the screen are smaller, and the desired screening effect is achieved. ; At the same time, because the fine sieve plate 11 has a certain degree of elasticity, under the effect of vibration, the upper and lower sieves can move with each other and play a role in cleaning up the blockage.
Example Embodiment
[0043] Embodiment three:
[0044] The sieve frame body used for connecting the fine sieve plate 11 around the fine sieve plate 11 is a steel frame 12, and the two sides of the fine sieve plate 11 and the steel frame 12 are tightened and connected by a tension spring 13 .
[0045] Tension springs 13 are installed between the two sides of the single-layer fine sieve plate and the steel frame 12 to keep the fine sieve surface flat, avoid falling of the fine sieve plate 11, and improve the screening efficiency of lump ore.
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