New technology and technology for jigging beneficiation (7)

b Trapezoidal measuring diaphragm jig The surface of the screen of the machine is trapezoidal. The existing two specifications are double-row 8 chambers. The size is indicated by the width of the upper end of the single row and the width of the single chamber × single chamber length. Figure 15 shows 600-1000× The outline structure of the 900 trapezoidal jig. In order to facilitate transportation, the chambers 1, 2 and 3, 4 are made into two parts, bolted, and the screen surface is enlarged along the flow direction. The measured slurry flow rate at the tailing end is about 80% of the ore end, which is beneficial to fine grain heavy minerals. Recycling. The eccentric linkage mechanism is used for transmission, and the stroke and the stroke can be separately adjusted in the longitudinal direction. The heavy product is sieved and discharged. When the ore is less than 3 mm, the heavy product of each chamber is discharged outside the machine, and the ore larger than 3 mm is used to discharge the four-chamber product.

This machine is widely used in China to treat iron , manganese , tungsten, tin and other ores. The ore size can reach 10~13 mm, and the suitable size is 5~0.074 mm.
c Work leather type side diaphragm jig [next]
The surface of the sieve surface of the industrial leather type diaphragm diaphragm jig is trapezoidal, and the structure is a single row of three chambers, and the size is the length per chamber × (the width of the ore end to the width of the discharge end) = 1100 × (750 ~ 1050) mm. The transmission features a 6-S shaker head to push the diaphragm. The stroke adjustment range is small and can only be used for processing fine-grain (-3 mm) ore. The area of ​​the first, second and third chamber sieve plates is 0.78, 0.91 and 1.0 m 2 respectively , and the diaphragm agitation area is 0.57 m 2 . The aircraft unit processing a large amount of floor space, in addition to tungsten, tin beneficiation plant has been using, but has not been promoted. Table 11 lists the production indicators for the treatment of tin-containing limonite ore in a certain area of ​​Guangxi.

d Guangdong-type jig This machine is a side-moving inner diaphragm structure, similar to the foreign Ruoss jig type. The cam lever mechanism is used to push the diaphragm movement. According to the purpose, it is divided into three types: A, B and C. Type A double row 6 chambers for rough selection (see Figure 16); Type B is also a double row of 6 chambers, which can be used for coarse and fine selection; Guangdong Jig a metal having a high recovery rate, water down screen (10-30 kPa), etc., but the diaphragm in the middle two chambers, maintenance difficulties. In addition, there are also shortcomings such as bulky body and low processing capacity per unit area, which limits its application and is currently replaced by an outer diaphragm jig. Table 12 lists two application examples of the aircraft.

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