08 Apr,2017 UTC+8 Views:
Technical assignment for the selection of equipment
SELECTION OF THE PORTLAND CEMENT CLINKER CRUSHING LINE
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№
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NAME
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CONTENT
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1
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Name of the production being developed
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Technological complex for manufacturing Portland cement with a capacity of 500 000 tons of cement per year
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2
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Function
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Manufacture of cement of a mark not below 400, regulated by GOST of the Russian Federation with use of imported portland cement clinker
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3
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Development stage
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4
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Customer
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5
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Developer
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6
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Technical requirments
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6.1 The technological complex should include:
1. Covered warehouse for storage of raw materials with a reserve for the operation of the complex within 3 days;
2. Bunker for storing gypsum in the volume of 1000 m3;
3. Bunker for storage of slag in volume of 1000 m3;
4. Bunker for storage of clinker in volume of 1000 m3;
5. Provide a dryer for inert materials;
6. Provide a preliminary clinker crusher capable of preparing a raw material for a ball mill of material size at the inlet (up to 20 mm);
7. Equipment for feeding components for grinding with belt weighing batchers (clinker, gypsum, slag) with accuracy of dosing (± 0,5%);
8. Provide equipment for grinding and activation of additives in two lines with a capacity of 25 tons per hour (the fineness of grinding should correspond to the residue on the sieve No. 008 - from 5% to 8%, specific grinding surface 250-300 m2 / kg according to GOST 6613-86 );
9. Cement silos should be based on the calculation of storing a two-day stock of finished products (in the silos take into account air filters, level sensors, emergency pressure relief valves, aeration system, conveyors for packing);
10. Packing machine taking into account shipment of finished products in bags of 25 and 50 kg (10% of finished products); And big bags of 1.5 tons (before packing, the cement is cleaned of metal inclusions in the shaker and enters the in-line two-piece packing machine with a capacity of 30 tons per hour).
11. Equip the equipment with dust collectors;
6.2 Together with the commercial application, provide a production layout of the equipment and a sequence of work processes with a brief description.
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7
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Range of products
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7.1 Portland cement without additional CEM I in accordance with GOST 30515-2013 GENERAL SPECIFICATIONS and GOST 31108-2003;
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8.
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Climatic conditions
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Climatic conditions of the region when choosing equipment to lay for the Sakhalin region.
8.1 Snow load 600 kg / m2
8.2 Wind load -60 kg / m2
8.3 Climatic area - II G
8 .4 Seismic load in the selection of equipment to take 8 -9 points;
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9.
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Indicators of selected equipment
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10.1. For each equipment, indicate the weight and main dimensions, attach schematic drawings of the installations;
10.2 Indicate the consumed electricity for each equipment;
10.3. To indicate the final layout of the complex, indicate the required number of personnel to be serviced, with the names of specialists;
10.4 Indicate the necessary area for the complex;
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