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Power plant desulfurization system SBC200×400 ball mill

MLT series compact central drive wet desulfurization ball mill is a special ball mill for limestone/gypsum wet flue gas desulfurization system (Water Flue Gas Desulphurization, abbreviated as WFGD) developed by absorbing the world's advanced technology. It is used for the preparation of limestone slurry, and its performance has reached the international advanced level. Level. This ball mill is environmentally friendly and energy-saving, compact in structure, light in weight, easy to install and maintain, reliable in operation, and high in automation. It is a high-performance limestone slurry preparation equipment suitable for thermal power plants and large coal-fired boiler WFGD systems. , Wet grinding of materials in chemical and other industries. Main technical indicators of the product

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Power plant desulfurization system SBC200×400 ball mill

Product description

Main technical indicators of the product

Specification	1530	1836	2040	2450	2650	2852	3060	3065	3265
Mill diameter mm	1500	1800	2100	2400	2600	2800	3000	3000	3200
Mill length mm	3000	3600	4000	5000	5000	5250	6000	6750	6750
Effective diameter mm	1380	1680	1980	2280	2480	2680	2880	2880	3080
Effective volume m3	4.48	7.98	12.93	17.91	19.6	28.22	39.07	44	50.29
filling rate %		25
Loading capacity t	5.2	9.3	15.0	31.8	36	38.0	44.9	61	73
critical speed ratio%	79.0	78.5	7 8.0	77.0	77	75.5	75.0	74.5	74.0
Mill speed r∕min	28.4	25.6	23.6	20.8	20.81	19.3	18.7	17.7	16.8
mill power kW	75	110	185	355	450	560	630	800	1000
Yield　t	2.0	3.6	7.0	12.5	14.5	19.5	25.0	28.0	36.0

　1. It adopts the international advanced wet desulfurization ball mill technology, adopts central transmission, saves the large and small gears and jet lubrication devices, reduces the weight of the mill, and adopts a more reasonable sealing structure to completely solve the problem of slurry leakage of the wet ball mill.
2. The main bearing is lubricated by two-way oil injection, and the main bearing adopts automatic centering, which can effectively prevent the occurrence of the phenomenon of burning and grinding.
3. The main bearing temperature measuring element and temperature measuring point have been improved: the main bearing temperature measuring element and temperature measuring point have been improved, and a special platinum thermal resistance is used. The temperature measuring point is more directly in contact with the main bearing than the traditional type. Eight to one-tenth of the traditional temperature measurement time, which can not only improve the sensitivity, but also realize automatic monitoring, and eliminate the phenomenon of burning tiles.
4. New bearing seal: The traditional open bearing seal structure is improved. The main bearing adopts V-shaped rubber fully closed ring seal, and the grease is injected into the structure, which can effectively prevent the leakage of lubricating oil and prevent dust from entering, and ensure that the bearing joint surface is clean and not easy to Burn tiles.
5. The new bearing seat has changed the way of water cooling for domestic mills. Two sets of lubricating systems are used to lubricate and cool the bearing seat respectively, without process water for cooling, which ensures the performance of the mill and saves process water for users.
　6. Line contact main bearing: The main bearing adopts self-aligning self-aligning bearing, the line contact between the pad seat and the base, the bottom surface of the pad seat does not need to be scraped and ground during installation, the vibration is reduced during operation, and the alignment is flexible and not easy to burn the tile.
7. Advanced testing instruments are used: all key components made of cast steel such as cylinder flanges and end caps are subjected to flaw detection. UT flaw detection is carried out on the machined surface, so that the internal quality conforms to the national standard.
8. Easy to install and debug: In domestic products, it is the first to achieve overall delivery, overall installation, less parts to be installed on site, and convenient installation and debugging.