A new type of dry coal preparation system and method
A new type of dry coal separation technology, applied in chemical instruments and methods, solid separation, filtration and screening, etc., can solve the problems that restrict the development of dry separation technology, increase the cost of repeated separation, and require high coal types, etc., to achieve Improve the annual average separation capacity, accelerate the water volatilization process, and improve the effect of coal preparation output
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Embodiment 1
[0038] Such as figure 1 As shown, a new type of dry coal preparation system includes a frame and a raw coal bunker 1, and the frame is fixed with a first-stage elevated trommel 3, a coarse jaw crusher 5, and a second-stage elevated trommel 7 , fine jaw crusher 8, raw material bin 12, first-stage screening and sorting bed 14, second-stage screening and sorting bed 16, ash-removing and sorting bed 20, desulfurization and sorting bed 22, first spraying system 25, Second sprinkler system 26;
[0039] The vibrating feeder installed at the bottom of the raw coal bunker 1 is connected to the upper entrance of the first-stage elevated trommel 3 through the raw coal conveyor 2, and the particle outlet of the first-stage elevated trommel 3 is located directly below the outlet of particles smaller than 30 mm. There is a first branch conveyor 4, and the rough jaw crusher 5 is located directly below the particle outlet larger than 30 mm of the first stage elevated drum screen 3, and the o...
Embodiment 2
[0048] On the basis of Example 1, such as figure 2 As shown, the first-stage sieving and separating bed 14 and the first-stage sieving and separating bed 16 are the same sieving and separating bed, and the sieving and separating bed at least includes a sealed box I 1401, the sealed Both sides of the box I 1401 are fixed with vertical frame columns 1402, the top of the sealed box I 1401 is provided with a material inlet 1403, and the bottom of the sealed box 1401 is provided with an oversize outlet 1404 and an undersize outlet 1405. The above-mentioned sealed box I 1401 is provided with an upper trommel 1406 and a lower trommel 1407, and the feed inlet 1403 is located directly above the upper trommel 1406, and the center lines of the upper trommel 1406 and the lower trommel 1407 are located at the same vertical and the oversize outlet at the end of the upper trommel 1406 is located in the middle of the lower trommel 1407, and the oversize outlet at the end of the lower trommel...
Embodiment 3
[0051] Such as image 3The ash-removing and sorting bed 20 at least includes a sealed box II 2001 and a cyclone receiver 2002 connected to the sealed box II 2001, the top of the sealed box II 2001 is provided with a semi-finished material inlet 2003, and the sealed The bottom of the box II 2001 is provided with a granular coal outlet 2004 and a fine ash outlet 2005 separated by a baffle, and the bottom of the cyclone receiver 2002 is provided with a fine coal outlet 2010;
[0052] The inside of the sealed box II 2001 is provided with a trommel distributor 2006, and the trommel distributor 2006 is located directly below the semi-finished product inlet 2003, and the sealed box II 2001 and the cyclone receiver 2002 pass through the box The fine coal collection bin 2007 at the junction of the body II 2001 and the cyclone receiver 2002 is connected, and the upper and lower sides of the fine coal collection bin 2007 are respectively provided with a valve for pumping the fine coal in...
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